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Articles sur IPCC report 2021

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Wildfires burn on the island of Evia, north of Athens, Greece, on Aug. 3, 2021, as the country dealt with the worst heat wave in decades. Temperatures reached 41 C in parts of Athens. (AP Photo/Michael Pappas)

5 things to watch for in the latest IPCC report on climate science

The latest report on climate science comes on the heels of heatwaves, wildfires, flooding and storms. It will help policy-makers act on plans to curb emissions or adapt to climate change.
Scientists have been consistently documenting environmental changes at research sites like this one in the Cascade Mountains for decades. US Forest Service

Climate change is already disrupting US forests and coasts – here’s what we’re seeing at 5 long-term research sites

This kind of research, with consistent data collection at the same locations over time, helps support global understanding of climate change.
The planet and the way we live on it are constantly changing. Buena Vista Images via Getty Images

What will the Earth be like in 500 years?

The Earth is constantly changing in natural ways, but most of those changes are very slow. Humans are speeding up other changes with global warming.
Shutterstock

The 1.5°C global warming limit is not impossible – but without political action it soon will be

Humanity can still limit global warming to 1.5°C this century. But political action will determine whether it actually does. Conflating the two questions amounts to dangerous, misplaced punditry.
Greenland’s ice sheet suffered major melting in July 2019, dumping billions of tons of meltwater into the Atlantic Ocena. Jennifer Latuperisa-Andresen/Unsplash

IPCC report paints catastrophic picture of melting ice and rising sea levels – and reality may be even worse

The UN body responsible for communicating the science of climate breakdown has released its long-awaited report on how we’re changing our ice and oceans. In a nutshell, the news isn’t good.
A man walks through a greenhouse in northeastern Uganda where sustainable agriculture techniques such as drought-resistant crops and tree planting are taught, Oct. 19, 2017. AP Photo/Adelle Kalakouti

World hunger has risen for three straight years, and climate change is a cause

After declining for nearly a decade, the number of hungry people in the world is growing again. Climate change, which is disrupting weather patterns that farmers rely on, is a major cause.
Miami is investing hundreds of millions of dollars to raise roads in response to rising sea levels. AP Photo/Wilfredo Lee

What is climate-ready infrastructure? Some cities are starting to adapt

Infrastructure systems – roads, water treatment systems, power grid – can’t be built the same ways as in the past. What’s a better roadmap for the future?
High school students at the University of Maine Farmington’s Upward Bound program playing the World Climate simulation. Mary Sinclair

How a game can move people from climate apathy to action

In the ‘World Climate’ simulation, people play delegates to UN climate negotiations and work to strike an agreement that meets global climate goals. Playing it has made thousands want to take action.
Members of a ground crew In Phoenix wrapped wet towels around their necks to cool off when the temperature reached a record of 116°F. Matt York/AP Photo

3 dangers of rising temperatures that could affect your health now

Rising temperatures will not only hurt people in the future. Many are feeling the effects now. Those who work outdoors, those who have certain chronic conditions and the elderly are vulnerable.
2016’s warm winter meant not enough snow for the start of the Iditarod sled dog race in Anchorage, so it was brought by train from 360 miles north. AP/Rachel D'Oro

In Alaska, everyone’s grappling with climate change

For everyone from traditional hunters to the military, the National Park Service to the oil industry, climate change is the new reality in Alaska. Government, residents and businesses are all trying to adapt.
Bioenergy Carbon Capture and Sequestration, known as BECCS, is one of the technologies we may need to limit warming to 1.5 degrees. from www.shutterstock.com

Bioenergy carbon capture: climate snake oil or the 1.5-degree panacea?

Delays on climate action to reduce emissions means that we may have to consider technologies that strip carbon dioxide from the atmosphere. But that will come at a cost.

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