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Artículos sobre Climate change

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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.
Soybeans sprout on an Illinois farm through corn stubble left on an unplowed field from the previous season – an example of no-till farming. Paige Buck, USDA/Flickr

To make agriculture more climate-friendly, carbon farming needs clear rules

Policymakers want to pay farmers for storing carbon in soil, but there are no uniform rules yet for measuring, reporting or verifying the results. Four scholars offer some ground rules.
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US scheme used by Australian farmers reveals the dangers of trading soil carbon to tackle climate change

If problems in such schemes are not addressed, the credibility of soil carbon trading will be undermined. Ultimately the climate - and the planet - will be the loser.
If successful, solar geoengineering would would reduce the amount of sunlight that reaches the Earth’s surface and warms the planet. (Shutterstock)

Solar geoengineering could limit global warming, but Canada should study risks and benefits first

Solar geoengineering could theoretically cool the Earth to slow global warming, and it has been controversial. Still, countries should research its risks and benefits.
Snow melts near the Continental Divide in the Bridger Wilderness Area in Wyoming, part of the Greater Yellowstone Area. Bryan Shuman/University of Wyoming

Yellowstone is losing its snow as the climate warms, and that means widespread problems for water and wildlife

The area’s iconic national parks are home to grizzlies, elk and mountain snowfall that feeds some of the country’s most important rivers. A new report show the changes underway as temperatures rise.
Flooding caused by high tides in a Miami neighborhood on June 19, 2019. AP Photo/Ellis Rua

For flood-prone cities, seawalls raise as many questions as they answer

Many coastal US cities are contending with increasingly frequent and severe tidal flooding as sea levels rise. Some are considering building seawalls, but this strategy is not simple or cheap.

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