Bosque | Submitted 
Much of the Earth’s population growth is in sub-Saharan African nations like Nigeria, where trends that have lowered birthrates elsewhere have not yet caught on.
A mother on a year's adventure in Maine living off the grid sees the seasons and the hues of nature in a whole new light.
Scientists counting Antarctica’s emperor penguins from space have found twice as many of them as expected.
The Environmental Protection Agency wants cleaner air at national parks across the country, including Guadalupe Mountains and Big Bend in Texas.
Eel populations, which had been declining on the East Coast, are making a comeback on Staten Island, with large numbers of them appearing earlier than normal.
A study published in the journal Limnology and Oceanography looked at production declines at an Oregon oyster hatchery and carbon dioxide, which causes acidification of seawater.
The agency said that the group, the Natural Resources Defense Council, had failed to show that the popular herbicide was harmful as used.
The industry faces major obstacles, but amid concern about global warming, there is support for at least keeping a toe in the water.
The hunt for new oil and gas reserves is heading into Africa and other unexplored territories as subsidies for alternative energy are cut and as a result of the nuclear crisis in Japan last year.
Eco-sculptures are the latest indication that Mexico City has become a leader in environmental efforts for the developing world.