LONDON, ENGLAND - DECEMBER 22: A protester holds a banner outside Ealing Magistrates Court as she demonstrates in support of protesters who are appearing on a charge of wilful obstruction after blocking a road near Heathrow Airport in protest at climate change on December 22, 2016 in London, England. 15 protesters were arrested in November after lying down and blocking a section of the M4 motorway to demonstrate against airport expansion and Heathrow's effect on climate change. (Photo by Carl Court/Getty Images)
