The world needs to prepare for millions of people being driven from their homes by the impact of climate change, the United Nations High Commissioner for Refugees says.
Thousands of environmental activists paralyzed parts of central London on Monday by blocking Marble Arch, Oxford Circus and Waterloo Bridge in a bid to force the government to do more to tackle climate change.
Donor countries pledged $2.17 billion to the drought-stricken area around Lake Chad on Monday, after a United Nations official warned that many millions in the African region still urgently needed help.
