Green

Arctic researchers just starting out face an intriguing but unsettling reality: much of the sea ice that's covered the Arctic Ocean for thousands of years may rapidly melt away over their careers. In fact, some projections say the region may see its first ice-free summer in modern history by 2040.

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The annual Harvard-Yale football game was delayed for almost an hour on Saturday as climate change activists rushed the field at the end of halftime.

Unfurling banners with slogans like "Nobody wins. Yale and Harvard are complicit in climate injustice," protesters from both schools called on the universities to divest their multi-million dollar endowments from fossil fuels companies, as well as companies that hold Puerto Rican debt.

Connie Monroe clicks a button, flicks her wrist and watches as her neighborhood floods.

The reed-covered shorelines are first to go. Then, the baseball fields at Fleming Park. By the time seawater reaches the senior center, it has inundated streets, flooding more than a dozen multiunit brick homes that she can see.

Monroe moves her head up and down, side to side, taking in the sobering simulated view. This is what could happen to Turner Station, a historic African American community southeast of Baltimore, as sea levels rise.

Updated at 1:15 a.m. Monday

This month, the Trump administration formally began the yearlong process of pulling the United States out of the 2015 Paris Agreement. It will be the first and only country to quit the 200-nation deal to combat climate change. That's a big concern for some of the world's most vulnerable countries, including the small island nations of the Pacific.

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Fires are laying waste to wide swathes of land across Australia on scales that are tough to comprehend. In the southeastern state of New South Wales alone, where about 60 fires remain ablaze, the infernos have consumed some 4,000 square miles of land — or an area roughly eight times the size of Los Angeles.

For generations, farmers in the Harchi Valley in Pakistan's highlands enjoyed a close relationship with the glacier that snakes between two mountain peaks. It watered their fields, orchards and grazing lands.

Following local tradition, it has a name — Ultar — and a gender — male, because it is black owing to the debris that covers it (female glaciers are white, residents say).

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Southeast Asia's largest lake is under threat, and with it, an entire ecosystem. Dams, overfishing and this year, drought, have brought the Cambodian lake to what may be a breaking point. Michael Sullivan reports.

(CHEERING)

The Italian city of Venice is still reeling from a week of three exceptional tides whose floodwaters have caused massive damage to the city's cultural legacy and to residences and businesses.

The disaster has gripped Italy and inspired a wave of volunteers to salvage what they can.

There is a bookshop in Campiello del Tintor square named Libreria Acqua Alta, which means High Water Bookstore. Following Sunday's exceptional high tide, the square as well as the store's pavement were under several inches of water.

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We're going way up north for our next story to a ship in the middle of the Arctic Ocean. The scientists aboard are there to do fieldwork, which is easier said than done, as Ravenna Koenig reports.

Picture, for a second, just how vast New York City is. All told, including Staten Island, the Bronx and every block in between, the massive metropolis takes up more than 300 square miles. Now, try to picture a hunk of land more than 12 times that size.

That's about how much of the Amazon rainforest was destroyed in just the span of a year, according to Brazilian authorities.

After California wine industry mogul Hugh Reimers illegally destroyed at least 140 acres of forest, meadow and stream in part to make way for new vineyards sometime last winter, according to a report from state investigators, state officials ordered the Krasilsa Pacific Farms manager to repair and mitigate the

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For many people, turning on the tap or flushing the toilet is something we take for granted. But a report released Monday, called "Closing the Water Access Gap in the United States," shows that more than 2 million Americans live without these conveniences and that Native Americans are more likely to have trouble accessing water than any other group.

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