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Climate Change

As the Arctic warms, beavers move in

Scientists are just beginning to study the impacts of beaver dams on the tundra

A new history for the tropical forests of the Americas

Fossilized leaves and pollen are revealing the evolutionary past of New World tropical forests. The findings are helping to reshape predictions of what might happen to these ecosystems as the climate changes.

Beyond COP27: Who will pay for climate solutions?

VIDEO: Economic issues were front and center at the most recent global climate summit. Join Tobias Adrian of the International Monetary Fund and Shuang Liu of the World Resources Institute to take stock of the investments needed to prevent future climate disasters.

The road to low-carbon concrete

For thousands of years, humanity has had a love affair with cement and concrete. But now, industry groups and researchers are seeking solutions to the huge amounts of carbon dioxide that cement-making generates.

How to make corn more like cactus

It’s an agricultural moonshot: Scientists hope to increase plant yields by hacking photosynthesis, the process that powers life on Earth

Europe should shape the clean fuel market now

OPINION: For the world to hit its climate goals, the European Union needs to take the lead, ditch coal and write the rule book for green hydrogen

What can cities do to survive extreme heat?

Urban heat waves are getting worse, but better data and timely government action could make them less deadly

Rethinking cities in the face of extreme heat

VIDEO: Cities have recently experienced extreme heat waves, causing preventable illness and death. How can we protect people from dangerous heat while also reducing carbon emissions?

How green are biofuels? Scientists are at loggerheads

Replacing gasoline with ethanol has changed landscapes across the globe as grasslands and forests give way to cornfields. Researchers are deeply divided over what this means for the planet. Here’s the science behind the conflict.

Rethinking insurance for floods, wildfires and other catastrophes

The industry is in crisis just when disaster coverage is most needed

What will it take to recycle millions of worn-out EV batteries?

In Nevada and other US states, entrepreneurs are anticipating the coming boom in retired lithium-ion batteries from electric cars and hoping to create a market for recycled minerals

Insuring our uncertain future

VIDEO: Is the disaster insurance industry hurtling toward a climate crisis? Learn how we can shore up programs that buffer the financial devastation that follows floods, fires and hurricanes — and help individuals and communities strengthen their climate resilience.

How much meat can we eat — sustainably?

Scientists find that a small amount of animal products could have a place in our diets without wreaking environmental havoc. But it’s far less than what we consume today, and only if farmed in just the right way.

How sustainable are fake meats?

Marketed to meat lovers, plant-based burgers like Impossible and Beyond claim to taste like the real thing and to have far lighter environmental footprints. Here’s what the numbers have to say.

Climate change is altering the chemistry of wine

Warming, wildfires and unpredictable weather threaten to disrupt the delicate processes that underlie treasured wines. Researchers and producers are innovating to keep ahead.

How cities can fight climate change

Urban activities — think construction, transportation, heating, cooling and more — are major sources of greenhouse-gas emissions. Today, a growing number of cities are striving to slash their emission to net zero — here’s what they need to do.

How smart windows save energy

Specialized glass that keeps heat in during winter and lets it out during summer could make buildings much more efficient — if costs and complexities don’t get in the way

Make electric vehicles affordable for the rest of us

OPINION: EV subsidies are poorly designed and mostly benefit the rich. Some simple changes could make them more effective and equitable.

A lifetime of climate change

Researcher Arun Agrawal has lived three decades on either side of a watershed: the United Nations Framework Convention on Climate Change, signed 30 years ago this June. His 60 years are a window into how far we have come, and how far there is to go.

The race against radon

Scientists are working to map out the risks of the permafrost thaw, which could expose millions of people to the invisible cancer-causing gas

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