climate change

When it comes to global health, the world has made remarkable strides over the past two decades. There has been unprecedented progress vaccinating kids, treating diseases and lifting millions out of poverty. The childhood death rate has been slashed in half since 2000. Adults are living an average 5 1/2 years longer.

Two and a half months after she arrived in New York Harbor, Greta Thunberg set sail back to Europe.

Arctic sea ice is one of the most dramatic indicators of the changing climate. Ice cover on the Arctic Ocean is in some months about half what it was decades ago, and its thickness has shrunk, by some estimates 40%.

In France, climate change is already affecting one of the country's most emblematic industries — winemaking. French vintners say heat, drought and erratic weather are altering the landscape and their centuries-old way of working.

Brothers Remi and Gregoire Couppé are fourth-generation winemakers who craft a top vintage, grand cru St. Emilion. In the past few years they've been confronted with some new challenges. Remi Couppé, 44, says there's no denying the weather is getting hotter and drier.

High up in the Arctic Ocean close to the North Pole, a solitary ship floats in darkness, moored to an expansive piece of ice.

If all goes according to plan, the ship will remain with that ice for an entire year, so that scientists on board can study the Arctic system and how it's responding to climate change.

The Trump administration has formally notified the United Nations that the U.S. is withdrawing from the Paris climate agreement. The withdrawal will be complete this time next year, after a one-year waiting period has elapsed.

"We will continue to work with our global partners to enhance resilience to the impacts of climate change and prepare for and respond to natural disasters," Secretary of State Mike Pompeo said in a statement Monday.

Jackie Fortier / StateImpact Oklahoma

John High knows that when he hears a tornado siren, he’s on his own. 

“I just pray. That’s all I can do,” High says while sitting in his motorized wheelchair at his home in Norman, Okla.

That’s because he doesn’t have a safe place to go. 

Teenage environmental activist Greta Thunberg has turned down a major environmental prize.

"It is a huge honor," Thunberg said of the Nordic Council Environment Prize. "But the climate movement does not need any more awards."

"What we need is for our politicians and the people in power to start listening to the current, best available science," she added.

The award Thunberg rejected came with prize money of 350,000 Danish kroner — about $52,000.

If you want to get students fired up about climate change, poop is a good place to start.

In only the second climate change trial in the U.S., Exxon Mobil goes to court Tuesday accused of defrauding shareholders and the public. New York's attorney general brought the suit, which alleges that the oil giant misrepresented how carbon regulation would affect the company's financial outlook.

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