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With higher utility bills, a house that produces more energy than it uses may be appealing. In Southern California, one such house has existed for more than a decade: the "Green Idea House" in Hermosa Beach.

Despite improvements in air quality in past decades, 156 million Americans still breathe in too much soot or ozone, says the annual State of the Air report from the American Lung Association.

House Democrats say Trump officials tried to rush transferring nuclear technology to Saudi Arabia. Protesters in Haiti demand the president resign. Mosquitoes modified to carry a powerful gene drive.

About 200 young people used Florida law to successfully petition the state to adopt renewable energy faster. One of them, Levi Draheim, is a veteran at suing the government to act on climate change.

Fog harvesting has long been a method of collecting water around the world. As climate change makes water harder and harder to find, technology is making it easier to pull water from the air.

Plastic has become embedded in everyday life. That’s because for the last 70 years, the plastics industry convinced consumers to embrace the material for its low cost and disposability.

Without federal support, American communities will struggle to deal with a challenge as pervasive as climate change, market analysts and environmental advocates say.

New Zealand's unique birds are at risk of extinction, like the kiwi. So the country is trying to eradicate the invasive species that prey on them. Everyday people are lining up to help.

In the small town of Atchison, Kan., some unlikely investors are making a name for themselves as outspoken shareholder activists.

Lebanese volunteers are anxious to get back to sea turtle conservation on southern beaches that were off-limits to civilians when fighting escalated between Israel and Hezbollah.