Air pollution over northern Italy fell after the government introduced a nationwide lockdown to combat coronavirus, satellite imagery showed on Friday, in a new example of the pandemic's potential impact on emissions.
The world is "way off track" from meeting targets to limit global warming as the signs of a climate emergency grow more damaging, the United Nations has warned. Increasing heat, accelerating sea level rises, and extreme weather in 2019 were all indications of the impact of failing to rein in carbon emissions, said a report compiled by the UN's World Meteorological Organisation.
Leading scientists and conservationists are proposing that up to 50 percent of the earth's land and oceans be protected in the coming decades. While some view the goal as unrealistic, proponents say it is essential for preserving the natural systems on which life itself depends.