6 Changes in Society Could Rapidly Pave the Way to a Sustainable Future, Study Finds
- Despite efforts to achieve net-zero by 2050, global emissions are still rising.
- A new study suggests ways to fast-track efforts to decarbonize the planet.
- Building a business case for sustainable energy could drive the transition.
It's not too late to stop climate change. According to new research, decarbonizing fast enough to stabilize the climate and fast-track the planet to net-zero rests on all of us changing how we think and act — and doing it fast.
The report, published in Proceedings of the National Academy of Sciences of the United States (PNAS), identifies six "tipping dynamics," or interventions, that could act as catalysts to bring about rapid societal and technological change towards a sustainable future.
The study highlights the importance of intervening to make fossil fuels less economically — and morally — attractive. A step-change of this kind could bring about tipping points that divert investment and consumer demand away from fossil fuels towards more sustainable energy sources.
It says this can be done by:
- Removing fossil-fuel subsidies and boosting incentives to move to decentralized energy systems and make clean energy production and storage systems more economically competitive.
- Encouraging financial markets to divest of assets linked to fossil fuels, to divert investment towards less-polluting technologies, leaving investors keen to avoid the prospect of holding 'stranded assets' tied to fossil fuels.
- Building sustainable cities powered by renewable energy.
- Revealing the "moral implications" of fossil fuels.
- Disclosing greenhouse gas emissions information.
- Strengthening climate education and engagement.
While awareness of the climate emergency is growing, global efforts to reduce carbon emissions are not moving fast enough to avoid irreversible damage to the planet.
Moving from the fossil fuels that drive global warming to cleaner energy sources, such as wind or solar power, is at the heart of global efforts to decarbonize. Yet emissions from power generation continue to increase.
Energy-related carbon dioxide emissions worldwide (in gigatonnes). CC
Carbon dioxide emissions from the energy sector have more than doubled since the 1970s and remain on an upward trajectory.
Once we reach a point where sustainable energy generates higher financial returns than coal and oil, the world should reach the critical mass needed to halt increasing CO2 emissions levels, and begin to reverse the trend.
But building a business case for clean energy is only one part of the challenge. The study also identifies the importance of changing social values and behavior.
Progress in combating climate change rests on converting awareness of the problem into action, so the transition to a carbon-free lifestyle is made easy for the global population to achieve.
For this to happen, a new world view is needed that embraces a climate-friendly and sustainable stance, which demands a fundamental overhaul of existing social, political and economic norms. And this new perception needs to be contagious so it is adopted globally.
The paper's authors suggest greater transparency could produce tipping points that change what's considered normal or acceptable, by revealing the moral implications of fossil fuels and disclosing greenhouse gas emissions information. At the same time strengthening climate education and engagement among the global population.
Climate action was a key theme at the World Economic Forum Annual Meeting 2020 in Davos. Klaus Schwab, the Forum's Founder and Executive Chairman, and the heads of Bank of America and Royal DSM, sent a letter to all summit participants asking companies and investors to make a commitment to act on climate change, which is more urgently needed than ever before. The Forum's ongoing work on climate change includes Mission Possible, a platform to help industries make the transition to net-zero greenhouse gas emissions by 2050.
The climate challenges facing the planet transcend national boundaries, requiring urgent action from policy-makers, businesses, organizations and communities to speed up the transition to a net-zero future.
Reposted with permission from World Economic Forum.
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- Redwoods are the world's tallest trees.
- Now scientists have discovered they are even bigger than we thought.
- Using laser technology they map the 80-meter giants.
- Trees are a key plank in the fight against climate change.
They are among the largest trees in the world, descendants of forests where dinosaurs roamed.
Pixabay / Simi Luft<p><span>Until recently, measuring these trees meant scaling their 80 meter high trunks with a tape measure. Now, a team of scientists from University College London and the University of Maryland uses advanced laser scanning, to create 3D maps and calculate the total mass.</span></p><p>The results are striking: suggesting the trees <a href="https://www.nature.com/articles/s41598-020-73733-6" target="_blank" rel="noopener noreferrer">may be as much as 30% larger than earlier measurements suggested.</a> Part of that could be due to the additional trunks the Redwoods can grow as they age, <a href="https://www.nature.com/articles/s41598-020-73733-6" target="_blank" rel="noopener noreferrer">a process known as reiteration</a>.</p>
New 3D measurements of large redwood trees for biomass and structure. Nature / UCL<p>Measuring the trees more accurately is important because carbon capture will probably play a key role in the battle against climate change. Forest <a href="https://www.wri.org/blog/2020/09/carbon-sequestration-natural-forest-regrowth" target="_blank">growth could absorb billions of tons</a> of carbon dioxide from the atmosphere each year.</p><p>"The importance of big trees is widely-recognised in terms of carbon storage, demographics and impact on their surrounding ecosystems," the authors wrote<a href="https://www.nature.com/articles/s41598-020-73733-6" target="_blank"> in the journal Nature</a>. "Unfortunately the importance of big trees is in direct proportion to the difficulty of measuring them."</p><p>Redwoods are so long lived because of their ability to <a href="https://www.nature.com/articles/s41598-020-73733-6" target="_blank" rel="noopener noreferrer">cope with climate change, resist disease and even survive fire damage</a>, the scientists say. Almost a fifth of their volume may be bark, which helps protect them.</p>
Carbon Capture Champions<p><span>Earlier research by scientists at Humboldt University and the University of Washington found that </span><a href="https://www.sciencedirect.com/science/article/pii/S0378112716302584" target="_blank" rel="noopener noreferrer">Redwood forests store almost 2,600 tonnes of carbon per hectare</a><span>, their bark alone containing more carbon than any other neighboring species.</span></p><p>While the importance of trees in fighting climate change is widely accepted, not all species enjoy the same protection as California's coastal Redwoods. In 2019 the world lost the equivalent of <a href="https://www.worldwildlife.org/threats/deforestation-and-forest-degradation" target="_blank" rel="noopener noreferrer">30 soccer fields of forest cover every minute</a>, due to agricultural expansion, logging and fires, according to The Worldwide Fund for Nature (WWF).</p>
Pixabay<p>Although <a href="https://c402277.ssl.cf1.rackcdn.com/publications/1420/files/original/Deforestation_fronts_-_drivers_and_responses_in_a_changing_world_-_full_report_%281%29.pdf?1610810475" target="_blank" rel="noopener noreferrer">the rate of loss is reported to have slowed in recent years</a>, reforesting the world to help stem climate change is a massive task.</p><p><span>That's why the World Economic Forum launched the Trillion Trees Challenge (</span><a href="https://www.1t.org/" target="_blank" rel="noopener noreferrer">1t.org</a><span>) and is engaging organizations and individuals across the globe through its </span><a href="https://uplink.weforum.org/uplink/s/uplink-issue/a002o00000vOf09AAC/trillion-trees" target="_blank" rel="noopener noreferrer">Uplink innovation crowdsourcing platform</a><span> to support the project.</span></p><p>That's backed up by research led by ETH Zurich/Crowther Lab showing there's potential to restore tree coverage across 2.2 billion acres of degraded land.</p><p>"Forests are critical to the health of the planet," according to <a href="https://www.1t.org/" target="_blank" rel="noopener noreferrer">1t.org</a>. "They sequester carbon, regulate global temperatures and freshwater flows, recharge groundwater, anchor fertile soil and act as flood barriers."</p><p><em data-redactor-tag="em" data-verified="redactor">Reposted with permission from the </em><span><em data-redactor-tag="em" data-verified="redactor"><a href="https://www.weforum.org/agenda/2021/03/redwoods-store-more-co2-and-are-more-enormous-than-we-thought/" target="_blank">World Economic Forum</a>.</em></span></p>
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