Renewable Energy Booming After a Decade of Progress
The sun is rising on a newer, cleaner era of American energy use.
The U.S. generates nearly eight times as much electricity from the sun and the wind than it did in 2007—enough to power more than 25 million homes—and the average American uses 10 percent less energy than he or she did 10 years ago, according to a new report by Environment America Research and Policy Center.
The report, Renewables on the Rise: A Decade of Progress Toward a Clean Energy Future, also cites a 20-fold increase in battery storage of electricity and the meteoric rise in sales of electric cars—from virtually none in 2007 to nearly 160,000 last year—as evidence that despite attempted rollbacks in Washington, a clean energy revolution is under way across the U.S.
"Despite anti-science, anti-clean energy rhetoric coming from the Trump administration and many in Congress, the science is clear—fossil fuels pollute our air, water and land, threatening our health and changing our climate even faster than scientists predicted," said Rob Sargent, energy program director for Environment America Research and Policy Center. "The good news is that the progress we've made in the last decade on renewable energy, energy savings and technologies such as battery storage and electric cars should give us the confidence that renewable energy can be America's energy choice."
The new report, authored by Environment America Research & Policy Center and Frontier Group; analyzes the growth of key technologies needed to power the nation with clean, renewable energy; including wind, solar, energy efficiency, energy storage and electric vehicles. Beyond a national assessment, the report provides state by state rankings on how effectively each state is adopting these crucial technologies.
W/ @FrontierGroupUS, thrilled to release Renewables on the Rise report! Renewables have made huge progress in 10yrs… https://t.co/CU56W5uIKh— Environment America (@Environment America)1501078517.0
"Key clean energy technologies are improving rapidly and getting cheaper seemingly every day," said Gideon Weissman of Frontier Group, report co-author. "These and other advances open up new opportunities to end our dependence on fossil fuels and embrace a future built on clean, renewable energy."
The report describes the factors that have contributed to the rapid growth in each category, including improved technologies and plummeting costs. Citing a survey by the U.S. Department of Energy, the report says that between 2008 to 2015, the cost of land-based wind energy fell by 41 percent; the cost of onsite and rooftop solar photovoltaics (PV) by 54 percent; the cost of utility-scale PV by 64 percent; the cost of home energy storage batteries by 73 percent; and the cost of LED light bulbs fell by 94 percent.
"Every day, we see more evidence that an economy powered by renewable energy is within our reach," said Sargent. "We need to seize the moment and lean into a future powered by clean, renewable energy."
The report comes as a growing number of U.S. cities, states, corporations and institutions consider commitments to 100 percent renewable energy. Currently, 37 cities have committed to that goal. Nearly 100 major companies, including Apple, Walmart and LEGO have as well. Hawaii is committed to 100 percent renewable electricity by 2045. California and Massachusetts are currently considering similar legislation. And, in Washington, bills to commit the nation to 100 percent renewable energy have been introduced in both houses of Congress.
118 U.S. Mayors Endorse 100% #RenewableEnergy Goals https://t.co/P9bdx9xh5D @newsenergy @SierraClub @MayorLevine @slcmayor @Kevin_Faulconer— EcoWatch (@EcoWatch)1498242057.0
"Given the environmental benefits, clean, renewable energy should be the go-to option for businesses, utilities, governments and households across the country," said Sargent. "It won't be easy. But we have no choice. Every day the urgency of our environmental challenges becomes clearer. That's why we're ready to work to move America to a future powered with clean, renewable energy."
- 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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