The world's oceans may contain about 10 times more plastic than the most recent studies suggest.
The US Environmental Protection Agency on Wednesday said it plans to strengthen regulations for emissions of ozone, a smog-causing pollutant blamed for respiratory ailments affecting millions of Americans.
Acid rain and deforestation runoff are causing a drop in the calcium content of some lakes in North America and western Europe, with ominous potential effects.
The two countries have long been at loggerheads over global targets.
Environmentalists rejoice: The single-use plastic bag will soon be no more in the entire state of California. Continue reading →
President Obama urged all nations to act against climate change, warning that time was running out.
Here's what you need to know about the Sunday protest planned ahead of the UN's climate change summit in New York City. Continue reading →
Earth's damaged ozone should recover by 2050, although the hole over Antarctica may take longer.
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