Donald Trump with a map of a previously projected path of Hurricane Dorian. He used a marker pen to erroneously claim the hurricane would strike southeastern Alabama. File photograph: Michael Reynolds/EPA

Founded in 1969 by scientists and students at MIT, the Union of Concerned Scientists (UCI) has been particularly busy of late. Since US president Dona(...)

Rivers such as the Great Miami (pictured) which flows into the Ohio River are particularly susceptible to agricultural runoff.

With a flow rate 35-times the River Shannon’s, the Ohio River is one of America’s most important waterways. It flows for 1,579 kilometres from Pittsbu(...)

US president Donald Trump pauses while speaking during a rally in Orlando, Florida, US, on Tuesday, June 18th, 2019. For one night in a packed arena in Orlando, Trump tried to recapture the insurgent energy and anything-might-happen feel of the campaign that fueled his bid for the White House four years ago. Photographer: Marco Bello/Bloomberg

The Trump administration rolled back one of the signature climate change policies of the Obama era on Wednesday, giving individual states the right to(...)

A coal-burning power plant in Colstrip, Montana, October 15th, 2018. File photograph: Janie Osborne/The New York Times

The Trump administration has said limits on mercury emissions from coal-fired power plants were unnecessary as they were too costly. The statement f(...)

Scott Pruitt pictured before the US House Energy and Commerce Environment subcommittee in Washington in April. Photograph: NYT

The United States Environmental Protection Agency administrator Scott Pruitt has resigned amid a series of ethics scandals. US president Donald Trump(...)