In Solutions
Energy
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Life on Mekong Faces Threats As Major Dams Begin to Rise
With a massive dam under construction in Laos and other dams on the way, the Mekong River is facing a wave of hydroelectric projects that could profoundly alter the river’s ecology and disrupt the food supplies of millions of people in Southeast Asia.
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As Fracking Booms, Growing Concerns About Wastewater
With hydraulic fracturing for oil and gas continuing to proliferate across the U.S., scientists and environmental activists are raising questions about whether millions of gallons of contaminated drilling fluids could be threatening water supplies and human health.
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In Flood-Prone New Orleans, an Architect Makes Water His Ally
As these photographs and illustrations show, architect David Waggonner has decided that the best way to protect low-lying New Orleans is to think about water in an entirely different way. -
In Developing World, A Push to Bring E-Waste Out of Shadows
For decades, hazardous electronic waste from around the world has been processed in unsafe backyard recycling operations in Asia and Africa. Now, a small but growing movement is seeking to provide these informal collectors with incentives to sell e-waste to advanced recycling facilities.
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Northern Mystery: Why Are Birds of the Arctic in Decline?
With some species of Arctic birds experiencing steep drops in population and their prey also undergoing marked shifts, scientists are working to understand what role climate change is playing in these unfolding ecological transformations.
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As Uses of Biochar Expand, Climate Benefits Still Uncertain
Research shows that biochar made from plant fodder and even chicken manure can be used to scrub mercury from power plant emissions and clean up polluted soil. The big question is whether biochar can be produced on a sufficiently large scale to slow or reverse global warming.
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Indian Microgrids Aim to Bring Millions Out of Darkness
Powered by solar panels and biomass, microgrids are spreading slowly across India, where 300 million people live without electricity. But can these off-grid technologies be scaled-up to bring low-carbon power to tens of millions of people?
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Greenpeace’s Kumi Naidoo on Russia and the Climate Struggle
In a Yale Environment 360 interview, the outspoken executive director of Greenpeace discusses why his organization’s activists braved imprisonment in Russia to stop Arctic oil drilling and what needs to be done to make a sharp turn away from fossil fuels and toward a green energy economy.
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The Case Against De-Extinction: It’s a Fascinating but Dumb Idea
Even if reviving extinct species is practical, it’s an awful idea. It would take resources away from saving endangered species and their habitats and would divert us from the critical work needed to protect the planet.
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Urban Nature: How to Foster Biodiversity in World’s Cities
As the world becomes more urbanized, researchers and city managers from Baltimore to Britain are recognizing the importance of providing urban habitat that can support biodiversity. It just may be the start of an urban wildlife movement.
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In Imperiled Forests of Borneo, A Rich Tropical Eden Endures
In Borneo's Danum Valley — one of the last, untouched forest reserves in a region ravaged by logging and oil palm cultivation — a team of international and Malaysian scientists is fighting to preserve an area of stunning biodiversity.
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Documenting the Swift Change Wrought by Global Warming
Photographer Peter Essick has traveled the world documenting the causes and consequences of climate change. In a Yale Environment 360 photo essay, we present a gallery of images Essick took while on assignment in Antarctica, Greenland, and other far-flung locales.
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Singapore Takes the Lead In Green Building in Asia
By encouraging the adoption of innovative architectural design and energy-saving technologies, Singapore has emerged as a model of green building in Asia — an important development in a region that is urbanizing more rapidly than any other in the world.
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In South Africa, Renewables Vie With the Political Power of Coal
Although coal has dominated the South African electricity sector for decades, the country’s abundant solar and wind resources offer a promising renewable energy alternative. But entrenched political interests connected to the ruling party are fighting to expand coal’s role in the national economy.
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Shipping Crude Oil by Rail: New Front in the Tar Sands Wars
As debate over the Keystone XL and other pipeline projects continues, crude oil from the Alberta tar sands and western U.S. oil fields is increasingly being hauled by railroad. Critics warn that this development poses a threat not only to the environment but to public safety.
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For Utility-Scale Solar Industry, Key Questions About the Future
Large-scale solar projects are enjoying steady growth in California and the southwestern United States. But will shifting government incentives and mandates slow the expansion of this key part of the solar energy industry?
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A Scarcity of Rare Metals Is Hindering Green Technologies
A shortage of "rare earth" metals, used in everything from electric car batteries to solar panels to wind turbines, is hampering the growth of renewable energy technologies. Researchers are now working to find alternatives to these critical elements or better ways to recycle them.
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China’s Great Dam Boom: A Major Assault on Its Rivers
China is engaged in a push to build hydroelectric dams on a scale unprecedented in human history. While being touted for producing lower-emission electricity, these massive dam projects are wreaking havoc on river systems across China and Southeast Asia.
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A Key Mangrove Forest Faces Major Threat from a Coal Plant
As Bangladesh makes a controversial turn to coal to produce electricity, the construction of a large coal-fired power plant is threatening the fragile ecosystem of the Sundarbans, the world’s largest mangrove forest.
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The Trillion-Ton Cap: Allocating The World’s Carbon Emissions
The U.N. climate panel concluded last month that carbon emissions should be capped at a trillion tons, a total the world is rapidly approaching. Now comes the hard part: How will we decide how the remaining emissions are apportioned?
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Iceland Seeks to Cash In On Its Abundant Renewable Energy
Still reeling from recent financial crises, Iceland is hoping to use its bountiful sources of geothermal and hydroelectric energy to help boost its economy. Among the country’s more ambitious plans is an undersea cable to carry renewably generated electricity to the U.K.