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Disease Update

The iron ocean

Through dust, not rust, the metal plays a complex, controversial role in Earth’s climate

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.

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?

The obscure calculation transforming climate policy

After long debate, economists and philosophers are reaching consensus on how to value future generations

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.

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.

How heat pumps of the 1800s are becoming the technology of the future

Innovative thinking has done away with problems that long dogged the electric devices — and both scientists and environmentalists are excited about the possibilities

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.

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.

Rethinking recycling

VIDEO: Diverting recoverable materials helps keep trash from overwhelming landfills, but the industry still faces many challenges. Consumer education, innovative technologies and turning wastes to energy can help manage the rubbish problem.

Why solar geoengineering should be part of the climate crisis solution

The controversial technology of reflecting sunlight away from the planet could help blunt the worst impacts of climate change

The rise of green hydrogen in Latin America

In anticipation of future demand, several projects are underway in the region to produce this clean energy source

Toward greener plastics

Researchers and companies are working on new kinds of biodegradable packaging, bottles and other products that break down like compost.

Unpersuasive: Why arguing about climate change often doesn’t work

COMIC: In the US, where political parties have increasingly staked claims on one side of the issue or the other, beliefs may be more about belonging than facts

Tiny, living stones of the sea

How limestone-covered algae sway global climate — and how their fate may shift as the oceans acidify

Marine wildlife is starting to suffocate

Global warming and agricultural runoff have driven the loss of oxygen in oceans around the world, with looming ecological consequences.

Rethinking insurance for floods, wildfires and other catastrophes

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

Now is the time to prepare for the economic shocks of battling climate change

Shedding reliance on fossil fuels is key to making the leap from a carbon-intensive present to a greener future. Experts say that smart planning and transparent policymaking can ease the transition — and balance the worst financial risks.

How to handle climate anxiety

Worry over the planet’s future is taking a toll on emotional well-being, researchers say. Here’s how to cope so we don’t lose hope for our planet and for ourselves.

What are fire whirls? | Things to Know

VIDEO: Researchers examine the behavior of these tornado-like fire columns

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