"Residents of parts of the Russian capital Moscow have been urged by the emergencies ministry to stay indoors because of a noxious gas that is spreading through the city."

"Growing numbers of non-native crayfish are leading to a “devastating” explosion in the population of destructive American mink in Scotland, experts have warned."

"Some rarer birds have grown in number over last 30 years due to conservation efforts while some well known species have fallen"

"European leaders have struck a broad climate change pact obliging the EU as a whole to cut greenhouse gases by at least 40% by 2030."

"BRUSSELS — The leaders of the 28 members of the European Union are set to meet here on Thursday to reassert their global leadership in climate protection, but they will first need to finesse deep divisions over how to generate and distribute energy."

"The European Union has approved Britain's bid to heavily subsidize the Hinkley Point nuclear power plant, overriding opposition from environmentalists and questions over the project's 24.5 billion pound ($39 billion) price tag."

"A European Union plan to label Canadian tar sands oil as highly polluting as part of its fight against climate change has been abandoned after years of opposition from Canada, clearing the way for exports of tar sands crude to the European market."

Proponents of Scottish independence are banking on that country's North Sea oil to fuel its economy -- but after four decades of pumping the reserves may not last forever.

"The cost of cleaning up Britain's toxic nuclear sites has shot up by £6bn, with the Government and regulators accused this weekend of 'incompetence' in their efforts to manage the country's legacy of radioactive waste."

"As Ukraine looks like a country teetering on the edge of war, there's an important factor to keep an eye on: The country's 15 nuclear reactors."