David Suzuki: Demanding Economic Growth on a Finite Planet Robs Future Generations
Aug. 2 was Earth Overshoot Day. Unlike Earth Day or Canada Day, it's not a time to celebrate. As the Earth Overshoot Day website explains, it marks the time when "we will have used more from nature than our planet can renew in the whole year." That is the definition of unsustainable and means we're using up the biological capital that should be our children's legacy. We would require 1.7 Earths to meet our current annual demands sustainably.
It doesn't have to be this way. "Our planet is finite, but human possibilities are not. Living within the means of one planet is technologically possible, financially beneficial, and our only chance for a prosperous future," said Mathis Wackernagel, CEO of the Global Footprint Network, an international research organization that uses UN statistics and other sources to calculate when overshoot day falls every year. This year marks the earliest overshoot date yet.
(Wackernagel was a student of University of British Columbia ecologist William Rees. They popularized the footprint concept in their 1996 book, Our Ecological Footprint. Andrew Simms of the U.K.'s New Economics Foundation conceived Earth Overshoot Day, partnering with the Global Footprint Network in 2006 on the first campaign, and with conservation organization World Wildlife Fund starting in 2007).
According to the website, overfishing, overharvesting forests and emitting more carbon dioxide into the atmosphere than natural sinks like forests can sequester are among the ways we overshoot Earth's capacity. The consequences are serious. "Impacts of ecological overspending are apparent already in soil erosion, desertification, reduced cropland productivity, overgrazing, deforestation, rapid species extinction, fisheries collapse and increased carbon concentration in the atmosphere," it notes. "Natural capital constraints also pose a threat to economic performance and economic stability."
Climate change is the most serious result. The Global Footprint Network says our carbon footprint makes up 60 percent of our total ecological footprint, and it's increasing rapidly. Basing its calculations on "the land area required to sequester carbon dioxide emissions from fossil fuel burning and cement production," the network says our carbon footprint has more than doubled since 1970.
The network also offers a mobile-friendly personal footprint calculator. Be warned: If you live in North America, your footprint will likely be much higher than 1.7 Earths, no matter how ecologically aware you consider yourself. We use far more energy and other resources than people in many parts of the world.
The site includes a range of solutions in four areas: food, cities, population and energy. In North America, reducing the carbon footprint by using less energy—especially fossil fuels—is major, but so is changing food habits. Food demand makes up 26 percent of the global footprint. Because raising animals for food requires far more resources and creates more emissions than growing plants, reducing the amount of meat and animal products we eat decreases our footprint. According to Oregon State University researchers, if Americans ate beans instead of beef, the U.S. could meet its 2020 greenhouse gas emissions goals, even if the country did little else and if people continued to eat other animal products.
Food waste is another major problem. One-third of the food produced worldwide is wasted or lost—as much as 40 percent in the U.S.
Population is an obvious concern. More people require more space and resources. Strategies to stabilize population growth also have social benefits. "Educating girls and providing access to safe, affordable and effective family planning" and "empowering women" are essential to reducing population growth and result in better economic development and health outcomes.
Because humans are increasingly urban dwellers—with 70 to 80 percent expected to live in cities by 2050—things like "energy-efficient buildings, integrated zoning, compact cities and effective options for people-powered and public transportation" are crucial to reducing our footprint.
Some have criticized the Earth overshoot concept, arguing it's not accurate or that it underestimates resource overuse. Wackernagel admits the calculations are only as good as the available data, but argues that it remains a useful way to put our unsustainable ways in perspective.
Demanding constant economic growth on a finite planet with limited ability to renew resources is a recipe for overshoot. We can and must do more to reduce our growing impact on the only home we have.
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By Ilana Cohen
Four years ago, Jacob Abel cast his first presidential vote for Donald Trump. As a young conservative from Concord, North Carolina, the choice felt natural.
But this November, he plans to cast a "protest vote" for a write-in candidate or abstain from casting a ballot for president. A determining factor in his 180-degree turn? Climate change.
Fractures Among Young Climate Conservatives<p>While young conservatives have united around the urgency of climate change, they remain divided over how to bring their concerns to the ballot box. Some embrace right-wing <a href="https://www.washingtonpost.com/politics/biden-attacks-republican-convention/2020/08/24/434e5b46-e66d-11ea-970a-64c73a1c2392_story.html" target="_blank">attacks</a> painting Biden as a "tool of the left" and find his climate agenda "radical." Others can't find a way to justify voting for Trump, even if it means breaking with their party.</p><p>Patrick Mann from Orange County, California, voted for Trump in 2016. But today, he's leading Aggies for Joe at Texas A&M University and is co-founder of Texas Students for Biden. </p><p>Mann grew up watching wildfires ravage his home state, nearly forcing his family to evacuate in 2017. The GOP is failing to "meet the moment" for climate action, Mann said. He's hoping Biden will deliver on a promise to "<a href="https://www.desmoinesregister.com/story/opinion/columnists/caucus/2020/01/06/joe-biden-democrat-president-iowa-caucus-restore-soul-our-nation/2806422001/" target="_blank">restore the soul of our nation</a>." </p><p>Taylor Walker from Pensacola, Florida, is also determined to make her voice heard on climate, including by casting her first-ever vote for president—but not for Biden.</p>
A False Equivalency<p>Young climate conservatives may fear climate denial and delayed climate action, but more than that, they fear the growing political momentum around the Green New Deal, the massive spending it entails and <a href="https://joebiden.com/climate-plan/" target="_blank">Biden's citing of it</a> as a "crucial framing for meeting the climate challenges we face."</p><p>Many don't want to split with their party to support a Democrat whose <a href="https://www.npr.org/2019/09/03/757220130/joe-biden-on-bipartisanship-gun-control-and-regrets-over-inaction-after-a-traged" target="_blank">allegedly bipartisan intentions</a> they doubt. If stymieing what they consider a radical green agenda means re-electing a climate change denying president, so be it. </p><p>"I'm scared of climate change, but I'm also scared of the Green New Deal and what it means for America," said Ben Mutolo, a republicEN spokesperson and junior at SUNY College of Environmental Science and Forestry. </p><p>Mutolo felt encouraged by former Ohio Governor John Kasich's <a href="https://www.rollcall.com/2020/08/17/kasich-speech-to-democratic-convention-follows-years-of-building-conservative-credentials/" target="_blank" rel="noopener noreferrer">appearance</a> at the Democratic National Convention, but he still struggles to see himself voting for Biden. Though the candidate paints himself as a <a href="https://www.latimes.com/politics/story/2020-08-12/harris-biden-different-generation-similar-political-instinct" target="_blank" rel="noopener noreferrer">centrist,</a> Mutolo believes he's "cozying up to the ultra-progressive left." </p><p>Mutolo, who wants to see market-based climate solutions like a carbon tax, feels torn between a candidate whose climate plan relies on taking an "<a href="https://joebiden.com/environmental-justice-plan/#" target="_blank" rel="noopener noreferrer">All-of-Government approach</a>," and one with no efforts to reign in global warming at all. <span></span></p><p>Leiserowitz said he appreciated how a conservative might feel Biden's climate plan "doesn't jive with their limited government, free-market approach."</p><p>But he sees a strong distinction between voting for a presidential candidate with a <a href="https://www.nytimes.com/2020/07/14/us/politics/biden-climate-plan.html" target="_blank">$2 trillion climate plan</a> that includes large renewable energy investments, which have <a href="https://climatecommunication.yale.edu/publications/politics-global-warming-april-2020/" target="_blank" rel="noopener noreferrer">bipartisan support</a>, and a candidate trying "to take the country in the opposite direction, towards more fossil fuels."</p>
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