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Atmosphere of Earth

Smokestack and trees

As global carbon dioxide levels climb, plants are becoming better at photosynthesis

Environment

Plants are responding to rising levels of carbon dioxide by performing more photosynthesis and using water more efficiently.

Bringing air pollution into focus

Russia launches satellite to monitor the atmosphere

Global Politics
This NASA graphic shows relative average levels of atmospheric ozone over the northern hemisphere in 1984 and 1997. The lower concentrations, shown in darker colors, are due to the effects of ozone-destroying chemicals in the atmosphere.

The latest news on the ozone layer shows we can solve big environmental problems

Environment
The World

Canadian Lego Man Goes to Space

Environment

Tropical Sinks Gobble Greenhouse Gases

Shinin’ on Through

New science shows that since the 90’s more sunlight has been penetrating the earth’s atmosphere and speeding up global warming.

The World

California Air

California is moving to counter climate change, by requiring new controls on cars in five years. Detroit is up in arms and says it’s a federal, not a state issue. Living on Earth’s Ingrid Lobet takes a look at where greenhouse gases fit into California’s 50 year fight against air pollution.

The World

Geo answer

Arts, Culture & Media

For today’s Geo Quiz we were looking for the altitude at which the Earth’s atmosphere crosses over into outer space. That boundary is referred to as the the K-rm-n line. Anchor Marco Werman speaks with photographer Robert Harrison.