科学与环境

One-third of world population exposed to harmful air pollution: Monitor

来源: Phys.org - latest science and technology news stories · 发布于

One-third of world population exposed to harmful air pollution: Monitor
来源: Phys.org - latest science and technology news stories

Heat waves and wildfires combined with human-caused emissions this year to expose one-third of the world's population to extremely high levels of ozone pollution, a European Union report said Wednesday.

Heat waves and wildfires combined with human-caused emissions this year to expose one-third of the world's population to extremely high levels of ozone pollution, a European Union report said Wednesday.

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科学与环境

One of America’s largest reservoirs just hit a record low

Lake Powell has fallen to its lowest level on record after an exceptionally dry and warm winter left the Colorado River Basin with little mountain snow to melt. Lake Mead also reached record lows, raising concerns for a river system that supplies water and power to more than 40 m

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