Ban Ki-Moon, Angela Merkel, Benjamin Netanyahu, Silvio Berlusconi and Nicolas Sarkozy were allegedly spied on.
Parliament's solar power plant will generate 80MW of energy, of which only 62MW will be used by the building.
Slashing beef intake by 50% can help meet climate target of keeping temperature rise within 2C limit, according to a study.
Climate change is to blame as if anthropogenic CO2 disappeared, sea level would have risen half the amount.
Greenpeace India has urged the government not to focus on city-specific plans to curb pollution levels.
Winston is now classified as a dangerous Category 5 hurricane – a super-typhoon – in the western Pacific Ocean
Kiribati is seeking help from UAE to save the low-lying nation from rising sea levels.
Several earthquakes have been recorded at the volcano over the last decade.
Mysterious four-mile-long boiling river had been unknown to science for almost a century.
Locals are worried that the new mine will ruin the Cerattepe
The sun warms iron-rich meteorites, burying them away as they melt the icy surface... and away from scientists.
24 megatonnes of phosphorus needs to be added to grasslands every year.
After hottest year ever, scorching first month of 2016 racks up scary biggest anomaly from norm
Study finds drought affects 4 billion people worldwide - more than double previous estimates.
In collaboration with WWF, Will Burrard-Lucas took incredible new camera-trap images of elephants, lions and hyenas.
Researchers said more data is needed to understand causes of patterns and if they will continue.
First US nationwide survey on climate change education shows 54% of teachers explain scientific theory.
High frequency of cataracts found in Chernobyl bank voles 30 years after nuclear accident.
Mexican authorities set to penalise Cocodrilos Exoticos, the wildlife company responsible for safe transfer.
Met Office says up to 4cm of snow could fall in some parts of the country, especially at higher altitudes.
'Megafauna' became extinct 40,000 years ago in Australia, New Guinea and Tasmania, and humans are the cause.
Global warming set to increase travel time for those flying from Britain to the US, scientists warn.
Unprecedented move by top court spells major trouble for Obama plan to reduce greenhouse gas emissions.
Mysterious Menominee Crack was caused by 'pop-up' but scientists have not been 100% sure of its cause.
The organic herb has antimicrobial effects which can reduce methane produced in the stomach of cows.
Two children were also seriously hurt after Storm Imogen battered the south of England.
Large machinery like excavators are waiting to be used, as the rescue operation enters a crucial phase.
Researchers claim global cooling 1,500 years ago triggered major social upheaval in Europe and Asia.
Power cuts, disrupted rail and road travel and sea swells hit Britain as another fierce storm batters the country.
Although rain stopped play, photographers managed to capture photos of the floats, many of which referred to Germany's handling of the refugee crisis.