Brexit: 94 Unanswered Questions on Climate and Energy Policy
By Simon Evans
Speaking simultaneously on Wednesday morning at separate events in London, Amber Rudd, secretary of state for energy and climate change and Andrea Leadsom, energy minister, both sought to offer reassurances that UK energy and climate commitments would continue.
What does the UK's shock vote to leave the European Union mean for energy and climate change? Abdullah Bin Sahl / Flickr
"We made a clear commitment to acting on climate change in our manifesto last year. That will continue."
She confirmed commitments to the UK Climate Change Act, a phaseout of unabated coal, thecapacity market to secure electricity supplies and support for offshore wind and new nuclear. Leadsom also said the referendum would not affect climate and energy policy.
However, Rudd conceded that the referendum result had made the path to climate action harder, raising a host of questions. Adding to the air of uncertainty, there is now the prospect of a new Conservative prime minister being in place by September, as well as the possibility of a snap general election.
Carbon Brief has assembled a lengthy and probably incomplete, list of post-referendum questions for climate and energy policy.
In the days following the referendum, a range of questions and possible answers have already been offered on the climate and energy implications of the vote.
Policy Exchange looks at impacts across environment policy. Business Green has 12 unanswered questions for the green economy, Climate Home has six questions for UK and EU climate ambition and another three questions on whether Brexit means a climate policy "bonfire." Meanwhile, the Energy and Climate Intelligence Unit has five energy and climate predictions.
The expected approval this week of the UK's fifth carbon budget for 2028-2032 would provide a key reference point for future policy. Still, uncertainty is sure to continue for months, if not years.
Here are some of the many unanswered questions.
The Paris Agreement on Climate Change:
- Will the UK ratify it while still an EU member state, allowing the EU to ratify it, too?
- If the UK and EU delay ratification, (when) will the agreement enter force?
- Will the UK be able to retain a strong voice in international climate talks, outside of Europe?
- Which negotiating bloc would it join?
- What would UK and EU nationally determined contributions to the agreement look like?
- Will the UK government set the Paris goal of net zero emissions into UK law, as promisedby Leave supporter and energy minister Andrea Leadsom?
- Will UK spending on international climate finance continue its current, rising trajectory?
- Or will the spending be pared back as part of a move to end the UK commitment to spend 0.7 percent of national income on international aid?
- Is the cross-party commitment to UK climate ambition assured, as Rudd claimed this week?
- Will the next prime minister believe in continued climate action?
- What are the views of other contenders, such as home secretary Theresa May or work and pensions secretary Stephen Crabb?
- How long will Rudd remain secretary of state for energy and climate change and Leadsom as energy minister, with both tipped for promotion if their side won the referendum?
- Who will replace them if they are moved on?
- Will the Department of Energy and Climate Change continue to exist under a new government?
UK Climate Change Act:
- The indications are that the government will put legislation on the fifth carbon budget before parliament on June 30, but Carbon Brief understands that parliamentary process means it may not pass into law before the end-of-June legal deadline. Will that legislation be in line with the advice of the Committee on Climate Change (CCC) to cut emissions by 57 percent by 2032, against 1990 levels?
- Will carbon accounting rules be amended, as per CCC advice, so that all UK emissions are counted towards carbon budget compliance?
- Will the government still publish a UK carbon plan by the end of 2016, on how the whole economy can decarbonize in line with the fourth and fifth carbon budgets for 2023-2032?
- If this plan is delayed or abandoned, how long can stasis continue without jeopardizing UK carbon targets?
- Would a delay or abandonment be subject to legal challenge, given the Act requires a planto be presented "as soon as is reasonably practicable" after the carbon budget is set?
- Does the act itself retain the overwhelming support of parliament, given all but six MPs approved it in 2008?
- Does it count for anything that Andrea Leadsom—Leave supporter, energy minister and potential Conservative leadership candidate—has said both before and after the referendum (see above) that the UK's climate commitment would be secure after Brexit?
- Or does the rise of climate sceptic Eurosceptics put the act in danger?
- What price premium on loans will be demanded by investors in UK energy infrastructure to cover the costs of political uncertainty? Rudd was unable to offer a direct answer to this "depressing" question from Carbon Brief.
- How much will this add to the costs of building new electricity generating capacity?
- Will any impacts vary by technology type, potentially favoring lower- or higher-carbon sources of power?
- How quickly will exchange-rate driven increases filter through to pump prices and energy bills, via the fuel used to heat homes and generate electricity?
- Is it realistic to expect any new government to mitigate this impact through a promised end to the 5 percent rate of VAT on energy, given the £2bn a year it brings the exchequer?
- How will steel and other energy-intensive industries cope with the expectation of higher energy prices?
- For instance, will the hoped-for Tata Steel rescue still go ahead?
- Will the government's Levy Control Framework, designed to limit the impact of low-carbon support on energy bills, remain in place?
- Could a new government seek to scrap the UK carbon price floor as a means to reduce energy bills for homes, businesses and industry, even though it brings in more than £1.5bn a year for the Treasury?
- How would this be squared with consequential increases in the level of required support for low-carbon sources of power?
- Will rising UK wholesale electricity prices attract investment in new generating capacity or will the rising cost of imported fuel outweigh any benefit?
- Could a post-Brexit cut in tariffs on Chinese solar module imports offset the impact of a falling pound?
- Will windfarms get more expensive in the UK, as sterling's fall pushes up the price of imported steel or turbine parts?
UK Energy Markets:
- Will Brexit lead to weaker economic growth and reduced energy use, as expected?
- Will this ease pressure on electricity supplies and reduce UK emissions?
- How will the new administration approach fuel duty, which has been repeatedly frozen by current Chancellor George Osborne?
- Is there still a business case for new interconnectors if the UK leaves the EU internal energy market and how will that case be affected by currency swings and changes in carbon pricing in the UK, France or other countries?
- How will energy firms operating in the UK and elsewhere fare if the value of sterling remains depressed, affecting relative earnings denominated in pounds, euros and dollars?
- Will the City of London still remain a leading lender to oil and coal projects around the world, as well as a center for carbon trading?
- Rudd has this week reiterated plans to phase out unabated coal, but when will the consultation on how to achieve this be published and what policy levers will it propose?
- Could the fall in the pound revive the UK coal-mining industry, which is currently embroiled in contentious efforts to expand despite the UK's coal phaseout plans?
- Will the new government heed climate-sceptic calls to back out of the EU Industrial Emissions Directive, blamed for the closure of aging coal-fired power stations?
- Will the government invoke provisions of the 2013 Energy Act, allowing it to set a 2030 decarbonization target for the power sector, once it has set the fifth carbon budget?
- How will support for shale gas exploration be affected by changes in government personnel?
- How will the nascent fracking industry fare with a weaker economy and pound?
- When will the government publish the CCC's report on fracking and UK carbon budgets?
- Will North Sea industry benefit from currency movements as costs become relatively cheaper or will restrictions on freedom of labor movement pose greater challenges?
- Will the UK now abandon efforts to meet its EU 2020 renewable energy targets, which it has in any case been widely expected to miss?
- Could the UK still be fined by the European Court of Justice if Brexit is slow and the UK is still a member of the EU when the target bites in 2020?
- Is there cross-government backing for new renewable heat and transport subsidies?
- Will the UK continue to support electric vehicle uptake?
- When will the government set out the details and budget of the next auction for low-carbon electricity subsidies, supposedly due to take place later this year?
- Will this year's Autumn Statement set out post-2020 arrangements for low-carbon support under the Levy Control Framework, as suggested this week by Leadsom?
- Will there be support for low-carbon technologies other than offshore wind, which has received the clearest government backing but is more costly than solar and onshore wind?
- If the government is opposed to support for onshore wind, even in the form of so-calledsubsidy-free contracts for difference, will it follow the Competition and Markets Authority's recent request to produce an assessment of the negative impact on consumer bills?
- Rudd has given post-referendum assurances to French firm EDF over the Hinkley C new nuclear plant, but can the scheme hope to retain the high-level political support it has enjoyed from David Cameron, George Osborne and the French government?
- Does Brexit render Austria's legal challenge to the Hinkley C scheme irrelevant?
- Would a UK exit from the EU free the UK's hand to subsidize further new nuclear reactors without the need to seek state aid approval from the European Commission?
- Will the new government be as keen on small modular nuclear reactors as the current one?
- After Siemens' decision to freeze its UK wind power plans and with UK access to the EU's single market in doubt, can the UK attract new renewable manufacturing investments?
- What will a weaker pound mean for the cost of burning imported biomass at power stations including Drax, formerly the UK's largest coal plant?
- Does the prospect of Brexit mean the UK can award further biomass subsidies to Drax, before the ongoing EU state aid investigation into the planned support has concluded?
- When will the government publish follow-up research it commissioned on the climate impacts of burning wood, mostly imported from north America, to generate electricity?
- Could a new administration reverse the current government's skepticism over financial support for carbon capture and storage or tidal energy?
- How will Brexit affect the balance of power between EU member states on the European Council, given the UK has been part of a progressive alliance on climate and energy?
- Could Brexit strengthen Germany's hand, with its backing for more interventionist and target-led approaches such as binding energy efficiency and renewable energy targets?
- Or will Brexit give eastern European countries more leverage as they attempt to limit EU climate ambition?
- Will the UK relinquish its EU presidency, scheduled for the second half of 2017?
- Will the EU continue to negotiate its effort-sharing decision on member state climate targets for 2030, despite the prospect of Brexit?
- If the EU's 2030 target is recast with no UK participation, will it keep its headline goal of a 40 percent emissions reduction on 1990 levels or will it choose a new goal for 2030 emissions, either by simply removing the UK contribution or formally renegotiating country shares?
- Will the UK remain part of the EU Emissions Trading System (EU ETS)? (Non-EU members including Norway are part of the scheme).
- Are currently-proposed EU ETS reforms still considered sufficient to cope with market shocks, such as that experienced in the wake of the UK vote?
- Does the fall in EU ETS prices of more than 20 percent in a week suggest further reform, perhaps an EU-wide floor price, is necessary to maintain decarbonization momentum?
- Who will lead the reform process now that British MEP Iain Duncan has resigned from the role of European Parliament rapporteur?
- Will the UK remain part of the EU Energy Union, with its plans for closer coupling between European energy markets?
- Would current or future energy infrastructure investments, including electricityinterconnectors to the continent, automatically lose EU funding after Brexit? (The EU isinvesting more than €2bn in UK energy projects, more than any other member state).
- Will the UK remain subject to EU product standards, including on the energy efficiency of vehicles and household goods?
Scotland and Northern Ireland:
- If Brexit triggers a successful Scottish independence referendum, what would become of UK climate policy and how would UK climate targets be divided? (Scotland already has its own climate goals, but the rest of the UK does not).
- Would consumers in the rest of the UK be willing to continue paying for a planned expansion of renewable energy in Scotland?
- Could the rest of the UK meet its climate targets without Scottish renewables?
- Would Scotland be willing to shoulder the cost of North Sea oil and gas decommissioning, which being funded via tax breaks on the industry?
- Are moves to unite Northern Ireland with the Irish republic likely to gain any traction and what would that mean for UK, Irish and EU climate pledges?
- What are the prospects for a third runway at Heathrow, given the committed opposition of Boris Johnson, a leading candidate to become prime minister?
- Does Brexit ease its path, given the UK's long-running breach of EU air pollution rules has been seen as a barrier to approval or will its demise enable the UK to meet suggested targets for aviation emissions more easily?
- How will the UK respond to this week's ruling that it breached EU air pollution rules in relation to the coal plant at Aberthaw in south Wales?
- Will the National Infrastructure Commission, seen as a personal project of current Chancellor George Osborne, still be able to carve out the significant policy role it had been poised to secure?
- Will a new government reverse the decision to scrap rules for zero carbon homes?
- How will it approach planning law, in particular the major pieces of UK environmental legislation that originate in EU law?
- If these EU planning rules are scrapped, will it become easier to build new energy infrastructure including wind farms, fracking sites or marine renewables?
- Will a new government continue to respect EU law during any transitional period, as called for by some lawyers?
Update 6/29/16—The question on the fifth carbon budget was amended. It previously said, in line with earlier press reports, that the fifth carbon budget would pass in to law on June 30, meeting the legal deadline. However, Carbon Brief now understands that the parliamentary process will not be completed on June 30.
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Fish exposed to endocrine-disrupting compounds pass on health problems to future generations, including deformities, reduced survival, and reproductive problems, according to a new study.
Low Levels Lead to Generational Impacts<p>Researchers exposed inland silverside fish to bifenthrin, levonorgestrel, ethinylestradiol, and trenbolone to levels currently found in waterways.</p><p>"Our concentrations were actually on the low end" of what is found in the wild, DeCourten said, adding that it was low amounts of chemicals in parts per trillion.</p><p>Bifenthrin is a pesticide; levonorgestrel and ethinylestradiol are synthetic hormones used in birth controls; and trenbolone is a synthetic steroid often given to cattle to bulk them up.</p><p>Such endocrine-disruptors have already been linked to a variety of health problems in directly exposed fish including altered growth, reduced survival, lowered egg production, skewed sex ratios, and negative impacts to immune systems. But what remains less clear is how the exposure may impact future generations.</p><p>For their study, DeCourten and colleagues started the exposure when the fish were embryos and continued it for 21 days.</p><p>They then tracked effects on the exposed fish, and the next two generations.</p>
Inherited Problems<p>DeCourten said the altered DNA methylation is one of the plausible ways that future generations would experience health impacts from previous generations' exposure. Hormone-disrupting compounds have been shown to impact DNA methylation, which is an important marker of how an organism will develop.</p><p>"Methyl groups are added to specific sites on the genome, [the exposure] is not changing the genome itself, but rather how the genome is expressed," she said. "And that can be inherited throughout generations."</p><p>In addition, Brander said there are essentially different "tags" that exist on DNA molecules, which tell genes how to turn on and off. She said the exposure to different compounds may be "influencing which methyl tags get taken on or off as you proceed through generations."</p><p>The researchers said the study should prompt future toxics testing to consider impacts on future generations.</p><p>"The results … throw a wrench in the current approach to regulating chemicals, where it's often short-term testing looking at simple things like growth, survival, and maybe gene expression," Brander said.</p><p>"These findings are telling us we really at least need to consider" the next two generations, she added.</p>
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Poor eating habits, lack of exercise, genetics, and a bunch of other things are known to be behind excessive weight gain. But, did you know that how much sleep you get each night can also determine how much weight you gain or lose?
By Laura Beil
Consumers have long turned to vitamins and herbs to try to protect themselves from disease. This pandemic is no different — especially with headlines that scream "This supplement could save you from coronavirus."
Vitamin D<p><strong>What it is: </strong>Called "the sunshine vitamin" because the body makes it naturally in the presence of ultraviolet light, <a href="https://www.sciencenews.org/article/vitamin-d-supplements-lose-luster" target="_blank">Vitamin D is one of the most heavily studied</a> supplements (<em>SN: 1/27/19</em>). <a href="https://health.gov/our-work/food-nutrition/2015-2020-dietary-guidelines/guidelines/appendix-12/" target="_blank">Certain foods</a>, including fish and fortified milk products, are also high in the vitamin.</p><p><strong>Why it might help: </strong>Vitamin D is a hormone building block that helps strengthen the immune system.</p><p><strong>How it works for other infections:</strong> In 2017, the <em>British Medical Journal</em> published a meta-analysis that suggested a daily vitamin D supplement <a href="https://www.bmj.com/content/356/bmj.i6583" target="_blank">might help prevent respiratory infections</a>, particularly in people who are deficient in the vitamin.</p><p>But one key word here is <em>deficient. </em>That risk is highest during dark winters at high latitudes and among people with more color in their skin (melanin, a pigment that's higher in darker skin, inhibits the production of vitamin D).</p><p>"If you have enough vitamin D in your body, the evidence doesn't stack up to say that giving you more will make a real difference," says Susan Lanham-New, head of the Nutritional Sciences Department at the University of Surrey in England.</p><p>And taking too much can create new health problems, stressing certain internal organs and leading to a dangerously high calcium buildup in the blood. The recommended daily allowance for adults is 600 to 800 International Units per day, and the upper limit is considered to be 4,000 IUs per day.</p><p><strong>What we know about Vitamin D and COVID-19:</strong> Few studies have looked directly at whether vitamin D makes a difference in COVID.</p>
Zinc<p><strong>What it is: </strong>Zinc, a mineral found in cells all over the body, is found naturally in certain meats, beans and oysters.</p><p><strong>Why it might help: </strong>It plays several supportive roles in the immune system, which is why zinc lozenges are always hot sellers in cold and flu season. Zinc also helps with cell division and growth.</p><p><strong>How it works for other infections: </strong><a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6457799/" target="_blank" rel="noopener noreferrer">Studies of using zinc for colds</a> — which are frequently caused by coronaviruses — suggest that using a supplement right after symptoms start might make them go away quicker. That said, a clinical trial from researchers in Finland and the United Kingdom, published in January in <em>BMJ Open</em> <a href="https://bmjopen.bmj.com/content/10/1/e031662" target="_blank" rel="noopener noreferrer">did not find any value for zinc lozenges</a> for the treatment of colds. Some researchers have theorized that inconsistencies in data for colds may be explained by varying amounts of zinc released in different lozenges.</p><p><strong>What we know about zinc and COVID-19:</strong> The mineral is promising enough that it was added to some early studies of hydroxychloroquine, a drug tested early in the pandemic. (Studies have since shown that <a href="https://www.sciencenews.org/article/covid-19-coronavirus-hydroxychloroquine-no-evidence-treatment" target="_blank">hydroxychloroquine can't prevent or treat COVID-19</a> (<em>SN: 8/2/20</em>).)</p>
Vitamin C<p><strong>What it is: </strong>Also called L-ascorbic acid, vitamin C has a long list of roles in the body. It's found naturally in fruits and vegetables, especially citrus, peppers and tomatoes.</p><p><strong>Why it might help:</strong> It's a potent antioxidant that's important for a healthy immune system and preventing inflammation.</p><p><strong>How it works for other infections: </strong>Thomas cautions that the data on vitamin C are often contradictory. One review from Chinese researchers, published in February in the <em>Journal of Medical Virolog</em>y, looked at <a href="https://onlinelibrary.wiley.com/doi/full/10.1002/jmv.25707" target="_blank">what is already known about vitamin C</a> and other supplements that might have a role in COVID-19 treatment. Among other encouraging signs, human studies find a lower incidence of pneumonia among people taking vitamin C, "suggesting that vitamin C might prevent the susceptibility to lower respiratory tract infections under certain conditions."</p><p>But for preventing colds, a 2013 Cochrane review of 29 studies <a href="https://www.cochranelibrary.com/cdsr/doi/10.1002/14651858.CD000980.pub4/full" target="_blank" rel="noopener noreferrer">didn't support the idea</a> that vitamin C supplements could help in the general population. However, the authors wrote, given that vitamin C is cheap and safe, "it may be worthwhile for common cold patients to test on an individual basis whether therapeutic vitamin C is beneficial."</p><p><strong>What we know about Vitamin C and COVID-19: </strong>About a dozen studies are under way or planned to examine whether vitamin C added to coronavirus treatment helps with symptoms or survival, including Thomas' study at the Cleveland Clinic.</p><p>In a review published online in July in <em>Nutrition</em>, researchers from KU Leuven in Belgium concluded that the <a href="https://www.cochranelibrary.com/cdsr/doi/10.1002/14651858.CD000980.pub4/full" target="_blank" rel="noopener noreferrer">vitamin may help prevent infection</a> and tamp down the dangerous inflammatory reaction that can cause severe symptoms, based on what is known about how the nutrient works in the body.</p><p>Melissa Badowski, a pharmacist who specializes in viral infections at the University of Illinois at Chicago College of Pharmacy and colleague Sarah Michienzi published an extensive look at all supplements that might be useful in the coronavirus epidemic. There's <a href="https://www.drugsincontext.com/can-vitamins-and-or-supplements-provide-hope-against-coronavirus/" target="_blank" rel="noopener noreferrer">still not enough evidence to know whether they are helpful</a>, the pair concluded in July in <em>Drugs in Context</em>. "It's not really clear if it's going to benefit patients," Badowski says.</p><p>And while supplements are generally safe, she adds that nothing is risk free. The best way to avoid infection, she says, is still to follow the advice of epidemiologists and public health experts: "Wash your hands, wear a mask, stay six feet apart."</p>
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By Elliot Douglas
In early October, Britain's Prince William teamed up with conservationist David Attenborough to launch the Earthshot Prize, a new award for environmentalist innovation. The Earthshot brands itself the "most prestigious global environment prize in history."
The world-famous wildlife broadcaster and his royal sidekick appear to have played an active role in the prize's inception, and media coverage has focused largely on them as the faces of the campaign.
“Rather than a Moonshot 🌕, we need Earthshots 🌍 for this decade.” Watch Prince William’s @Tedtalks talk in full:… https://t.co/m5NCj6TQzH— The Duke and Duchess of Cambridge (@The Duke and Duchess of Cambridge)1602408749.0
But the pair are only the frontmen of a much larger movement which has been in development for several years. In addition to a panel of experts who will decide on the winners, the prize's formation took advice from the World Wildlife Fund, Greenpeace and the Jack Ma Foundation.
With more and more global attention on the climate crisis, celebrity endorsement of environmental causes has become more common. But why do environmental causes recruit famous faces for their campaigns? And what difference can it make?
'Count Me In'
"We need celebrities to reach those people who we cannot reach ourselves," says Sarah Marchildon from the United Nations Climate Change secretariat (UNFCCC) in Bonn, Germany.
Marchildon is a proponent of the use of celebrities to raise awareness of environmental causes. In addition to promoting a selection of climate ambassadors who represent the UN on sustainability issues, Marchildon's team has produced videos with well-known narrators from the entertainment world: among them, Morgan Freeman and Mark Ruffalo.
"We choose celebrities who have a lifestyle where they are already talking about these issues," Marchildon explains.
"Sometimes they reach out to us themselves, as David Attenborough did recently. And then they can promote the videos on their own social channels which reach more people than we do — for example, if they have 20 million followers and we have 750,000."
Environmental groups focused on their own domestic markets are also taking this approach. One Germany-based organization that uses celebrities in campaigns is the German Zero NGO. Set up in 2019, it advocates for a climate-neutral Germany by 2035.
German Zero produced a video in March 2020 introducing the campaign with "66 celebrities" that supported the campaign, among them Deutschland 83 actor Jonas Nay and former professional footballer Andre Schürrle. They solicit support as well as financial contributions from viewers.
"Count me in," they say, pointing toward the camera. "You too?"
"We are incredibly grateful for the VIPs in our videos," says German Zero spokeswoman Eva-Maria McCormack.
Assessing Success Is Complex
But quantifying the effectiveness of celebrity endorsement of campaigns is not a straightforward process.
"In order to measure effectiveness, first of all you need to define what is meant by success," says Alegria Olmedo, a researcher at the Zoology Department at the University of Oxford.
Olmedo is the author of a study looking at a range of campaigns concerning pangolin consumption, fronted by local and Western celebrities, in Vietnam and China. But she says her biggest stumbling block was knowing how to measure a campaign's success.
"You need a clear theory of change," explains Olmedo. "Have the celebrities actually helped in achieving the campaign's goals? And how do you quantify these goals? Maybe it is increased donations or higher engagement with a cause."
A popular campaign in China in recent years saw famous chefs Zhao Danian and Shu Yi pledge to abstain from cooking endangered wildlife. While the pledge achieved widespread recognition, both Olmedo and Marchildon say it's difficult to know whether it made any difference to people's actions.
"In life we see a thousand messages every day, and it is very hard to pinpoint whether one campaign has actually made a difference in people's behavior," she explains.
Awareness Is Not Enough
Many campaigns that feature celebrities focus on raising awareness rather than on concrete action — which, for researcher Olmedo, raises a further problem in identifying effectiveness.
"Reach should never be a success outcome," she says. "Many campaigns say they reached a certain number of people on social media. But there has been a lot of research that shows that simply giving people information does not mean they are actually going to remember it or act upon it."
But anecdotal evidence from campaigns may suggest reach can make an active difference.
"Our VIP video is by far the most watched on our social media channels," McCormack from German Zero says. "People respond to it very directly. A lot of volunteers of all ages heard about us through that video."
However, some marketing studies have shown that celebrity endorsement of a cause or product can distract from the issue itself, as people only remember the person, not the content of what they were saying.
Choosing the Right Celebrity
Celebrity choice is also very important. Campaigns that use famous faces are often aiming to appeal to members of the public who do not necessarily follow green issues.
For certain campaigns with clear target audiences, choosing a climate scientist or well-known environmentalist rather than a celebrity could be more appealing — Attenborough is a classic example. For others, images and videos involving cute animals may be more likely to get a message heard than attaching a famous face.
"We choose celebrities who have a lifestyle where they are already talking about these issues," says Marchildon from the UN. "You need figures with credibility."
McCormack cites the example of Katharine Hayhoe, an environmental scientist who is also an evangelical Christian. In the southern United States, Hayhoe has become a celebrity in her own right, appealing to an audience that might not normally be interested in the messages of climate scientists.
But as soon as you get a celebrity involved, campaigns also put themselves at risk of the whims of that celebrity. Prince William and younger members of the royal family have come under fire in recent years for alleged hypocrisy for their backing of environmental campaigns while simultaneously using private jets to fly around the world.
But Does It Really Work?
While environmental campaigns hope that endorsement from well-known figures can boost a campaign, there is little research to back this up.
"The biggest finding [from my study] was that we were unable to produce any evidence that shows that celebrity endorsement of environmental causes makes any difference," says Olmedo.
This will come as a blow to many campaigns that have invested time and effort into relationships with celebrity ambassadors. But for many, the personal message that many celebrities offer in videos like that produced by German Zero and campaigns like the Earthshot Prize are what counts.
The research may not prove this conclusively — but if the public believes a person they respect deeply personally cares about an important issue, they are perhaps more likely to care too.
"I personally believe in the power this can have," says Marchildon. "And if having a celebrity involved can get a single 16-year-old future leader thinking about environmentalist issues — that is enough."
Reposted with permission from DW.
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