Queen Elizabeth presented broadcaster David Attenborough with an award for his hit BBC nature series Blue Planet II, which raised public awareness around the world of the danger of plastic pollution in oceans.
Singer Ellie Goulding, actor Imelda Staunton and model Daisy Lowe were among celebrities demanding that the governments act on climate change in a video campaign launched by Extinction Rebellion ahead of Britain's Dec. 12 general election.
US reality TV star Kim Kardashian heaped praise on Swedish teenage climate activist Greta Thunberg on Tuesday, calling her a "brave and amazing young woman" and said she shared her concerns about climate change.
