U.S. and China ratify Paris climate agreement
Campaigners hail key moment in battle against global warming as presidents Obama and Xi announce deal on eve of G20 summit in Hangzhou.
Hermine storm could re-intensify into a hurricane
A 'Rex Block' likely to trap Tropical Storm Hermine near New Jersey coast.
Global fossil fuel subsidies outpace renewable support
Research discovered that G20 country governments’ support to fossil fuel production marries bad economics with potentially disastrous consequences for climate change.