Menu Fermer

Articles sur Drought

Affichage de 201 à 220 de 609 articles

Corn yields can suffer in high heat. AP Photo/Seth Perlman

4 ways extreme heat hurts the economy

Much of the US has been experiencing heat waves in recent weeks. An economist explains how the often record-high temperatures can affect the economy.
In high alpine terrain, sun and dry air can turn snow straight into water vapor. Jeffrey Pang/WikimediaCommons

Snow can disappear straight into the atmosphere in hot, dry weather

As rivers run dry in the Rocky Mountains and the West, it’s easy to wonder where all the snow you see on mountain peaks goes. Some of it ends up in the air, but researchers aren’t sure how much.
In heat and drought like the western U.S. and Canada are experiencing in 2021, all it takes is a spark to start a wildfire. Jim Watson/Getty Images

Skip the fireworks this record-dry 4th of July, over 150 wildfire scientists urge the US West

Every year, the number of wildfires caused by humans spikes on Independence Day. There are safer ways to celebrate amid the heat and drought.
Colorado’s East Troublesome Fire jumped the Continental Divide on Oct. 22, 2020, and eventually became Colorado’s second-largest fire on record. Lauren Dauphin/NASA Earth Observatory

Rocky Mountain forests burning more now than any time in the past 2,000 years

Scientists studied charcoal layers in the sediment of lake beds across the Rockies to track fires over time. They found increasing fire activity as the climate warmed.
Satellites can quickly detect and monitor wildfires from space, like this 2017 fire that encroached on Ventura, California. NASA Earth Observatory/Joshua Stevens

Bringing tech innovation to wildfires: 4 recommendations for smarter firefighting as megafires menace the US

Satellites can already spot a new fire within minutes, but the information they beam back to Earth isn’t getting to everyone who needs it or used as well as it could be.
Migrants hoping to reach the distant U.S. border walk along a highway in Guatemala in January 2021. AP Photo/Sandra Sebastian

As more climate migrants cross borders seeking refuge, laws will need to adapt

Climate migrants don’t fit neatly into the legal definitions of refugee or migrant, and that can leave them in limbo. The Biden administration is debating how to identify and help them.

Les contributeurs les plus fréquents

Plus