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Minnesota regulators say there have been more releases of drilling fluid along the Line 3 oil pipeline construction route than previously reported.

California's largest single wildfire in recorded history kept pushing through forestlands on Tuesday, August 10, 2021, as fire crews tried to protect rural communities from flames that have destroyed hundreds of homes.

American tourists returned to the Niagara Region for the first time in more than a year on Monday, August 9, 2021, eager to see the thundering falls, take in the area's attractions and explore nearby wine country.

With the era of building big dams over in the U.S., a growing number of existing dams are being modified to produce hydropower. These projects, advocates say, avoid the damaging impacts of new dams and could generate enough renewable electricity for several million homes.

Canada is once again allowing U.S. citizens and permanent residents back into the country, provided they've been fully vaccinated against COVID-19.

Declaring the U.S. must “move fast” to win the world's carmaking future, President Joe Biden on Thursday, August 5, 2021, announced a commitment from the auto industry to produce electric vehicles for as much as half of U.S. sales by the end of the decade.

The United States is actively exploring how to welcome back international visitors, including whether they will need to be fully vaccinated against COVID-19, as stakeholders keen to reopen the Canada-U.S. border set their sights squarely on Capitol Hill.

A wind-driven wildfire tore through a Northern California mountain town, leaving much of the downtown in ashes as crews braced for another explosive run of flames in the midst of dangerous weather.

The Biden administration wants automakers to raise gas mileage and cut tailpipe pollution between now and model year 2026, and it has won a voluntary commitment on Thursday, August 5, 2021, from the industry that electric vehicles comprise up to half of U.S. sales by the end of the decade.

California's largest wildfire exploded again after burning for nearly three weeks in remote mountains and officials warned on Tuesday, August 3, 2021, that hot, dry weather would increase the risk of new fires across much of the state.

A new analysis draws on public health studies that conclude that for every 4,434 metric tonnes of CO2 produced, one person globally will die.

The $1 trillion bipartisan infrastructure package unveiled by the Senate includes more than $150 billion to boost clean energy and promote “climate resilience” by making schools, ports and other structures better able to withstand extreme weather events such as storms and wildfires.

Cooler weather on Tuesday, July 27, 2021, helped calm two gigantic wildfires in the U.S. West, but a tally of property losses mounted as authorities got better access to a tiny California community savaged by flames last weekend and to a remote area of southern Oregon where the nation's largest blaze is burning.

In a major step against climate change, U.S. President Joe Biden is proposing a return to aggressive Obama-era vehicle mileage standards over five years, according to industry and government officials briefed on the plan.

Oregon’s explosive summer of wildfire is threatening to escalate further, with thunderstorms and lightning set to spur more of the blazes that have torn through much of a parched, dangerously hot U.S. West this year.