pollution

Water flows through Conowingo Dam, a hydroelectric dam spanning the lower Susquehanna River near Conowingo, Md., on Thursday, May 16, 2019. Officials once counted on the dam to block large amounts of sediment in the Susquehanna from reaching Chesapeake Bay, the nation's largest estuary, but the reservoir behind the dam has filled with sediment far sooner than expected. (AP Photo/Steve Ruark)
July 06, 2019 - 9:24 pm
CONOWINGO, Md. (AP) — When the Conowingo Dam opened to fanfare nearly a century ago, the massive wall of concrete and steel began its job of harnessing water power in northern Maryland. It also quietly provided a side benefit: trapping sediment and silt before it could flow miles downstream and...
Read More
FILE - In this Dec. 4, 2018 file photo, people walk in Tree Library park in Milan, Italy. The city has ambitious plans to plant 3 million new trees by 2030_ a move that experts say could offer relief to the city's muggy and sometimes tropical weather. A study released on Thursday, July 4, 2019 says that the most effective way to fight global warming is to plant lots of trees - a trillion of them, maybe more. (AP Photo/Luca Bruno)
July 04, 2019 - 2:02 pm
WASHINGTON (AP) — The most effective way to fight global warming is to plant lots of trees, a study says. A trillion of them, maybe more. And there's enough room, Swiss scientists say. Even with existing cities and farmland, there's enough space for new trees to cover 3.5 million square miles (9...
Read More
FILE - In this Dec. 4, 2018 file photo, people walk in Tree Library park in Milan, Italy. The city has ambitious plans to plant 3 million new trees by 2030_ a move that experts say could offer relief to the city's muggy and sometimes tropical weather. A study released on Thursday, July 4, 2019 says that the most effective way to fight global warming is to plant lots of trees - a trillion of them, maybe more. (AP Photo/Luca Bruno)
July 04, 2019 - 2:01 pm
WASHINGTON (AP) — A study says the best way to fight global warming is to plant a trillion trees — maybe more. Swiss scientists calculate that there's enough space to plant trees to cover 3.5 million square miles. That's roughly the size of the United States The study says those new trees could...
Read More
FILE - This June 27, 2019, file photo shows truckers and loggers opposed to the carbon capping bill holding a rally at the Oregon Capitol in Salem, Ore. When Democrats won a supermajority in the Oregon Legislature in the 2018 election, the party was excited. But now Democrats know the limits of that power after Republican senators staged the dramatic nine-day boycott that ended up killing major climate change legislation. (Noble Guyon/The Oregonian via AP, File)
July 03, 2019 - 1:41 pm
SALEM, Ore. (AP) — When Democrats won a supermajority in the Oregon Legislature last November, it seemed they had a clear path ahead to combat global warming, enact gun control and pursue other liberal goals. Instead, it's been a bumpy road. Eight months after Democrats toasted their victories,...
Read More
July 03, 2019 - 12:53 pm
MIAMI (AP) — Conspiracy theorists took to social media in a flurry of excitement Wednesday after a mysterious flying object resembling an orange fireball streaked across the Florida sky. The American Meteor Society reported two dozen sightings from Jacksonville to Key West after midnight and...
Read More
United Nations Secretary General Antonio Guterres, right, follows the UAE Youth Minister, Shamma Al Mazrim as they take the stage at the opening ceremony of the United Nations climate change summit in Abu Dhabi, United Arab Emirates, Sunday, June 30, 2019. (AP Photo/Kamran Jebreili)
June 30, 2019 - 12:04 pm
ABU DHABI, United Arab Emirates (AP) — U.N. Secretary-General Antonio Guterres took his global message urging immediate climate action to officials gathered in the United Arab Emirates on Sunday, where production of hydrocarbons remains a key driver of the economy. Guterres is calling on...
Read More
Lawmakers convene at the Oregon Senate after the minority Republicans ended a walkout they had begun on June 20 over a carbon-emissions bill they said would harm their rural constituents, at the Oregon Senate in Salem, Ore., Saturday, June 29, 2019. Nine of the 12 minority Republicans returned after Senate President Peter Courtney said the majority Democrats lacked the votes to pass the legislation aimed at countering climate change. ( AP Photo/Andrew Selsky)
June 29, 2019 - 6:14 pm
SALEM, Ore. (AP) — Republican lawmakers returned to the Oregon Senate on Saturday, ending an acrimonious nine-day walkout over a carbon emissions bill that would have been the second such legislation in the nation. The boycott had escalated when the Democratic governor ordered the state police to...
Read More
Russian President Vladimir Putin, right, and Japanese Prime Minister Shinzo Abe attend a signing ceremony prior to their news conference on the sidelines of the G-20 leaders summit in Osaka, western Japan, June 29, 2019. (Kim Kyung-Hoon/Pool Photo via AP)
June 29, 2019 - 11:13 am
OSAKA, Japan (AP) — The Latest on the Group of 20 summit meetings in Osaka, Japan (all times local): 8:30 p.m. Japanese Prime Minister Shinzo Abe and Russian President Vladimir Putin have announced new initiatives to further expand economic ties and tourist exchanges between the two nations, but...
Read More
Truckers and loggers opposed to the carbon capping bill hold a rally at the Oregon Capitol Thursday morning, June 27, 2019. - Truckers and loggers opposed to the carbon capping bill hold a rally at the Oregon Capitol Thursday morning, June 27, 2019. (Noble Guyon/The Oregonian via AP)
June 28, 2019 - 2:20 pm
SALEM, Ore. (AP) — Republicans in the Oregon Senate said Friday that they will end a more than weeklong walkout over emissions-lowering climate legislation that ground the Legislature to a halt, declaring victory in the political crisis that pitted 11 GOP lawmakers against a Democratic...
Read More
Democratic presidential candidate former vice president Joe Biden, speaks during the Democratic primary debate hosted by NBC News at the Adrienne Arsht Center for the Performing Arts, Thursday, June 27, 2019, in Miami. (AP Photo/Wilfredo Lee)
June 28, 2019 - 8:51 am
MIAMI (AP) — The Latest on the second Democratic presidential debate (all times local): 11:45 p.m. Former Vice President Joe Biden says Kamala Harris mispresented his position on school busing decades ago, but he doesn't think she did it intentionally. The California senator challenged Biden's...
Read More

Pages