Brazil's turn as this year's host marks 33 years since the Rio Earth Summit, where countries first signed the United Nations treaty to tackle climate change.

October 31 is World Cities Day. A day to celebrate people-centred innovation that is helping cities build resilience to climate, fragility, and rapid urban change.

ExxonMobil will not be able to continue doing business in the European Union if the bloc does not significantly loosen a ...

European Union countries are divided over the volume of polluting credits their industries could use on their path to hitting ...