These US cities have the worst air quality this year

More than 156 million Americans live among unhealthy levels of air pollution, an annual report from the American Lung Association found.

Toxic blue-green algae back
video

The city of Austin's watershed department says toxic blue-green algae is back in Lady Bird Lake. While it can occur at any time, the risk is highest when it's hot out.

Blue-green algae back at Red Bud Isle

Cyanobacteria, or blue-green algae, are back in Austin, with "significant amounts" found at Red Bud Isle.

Solar energy installations continue to grow in the United States

Solar energy installations continue to grow in the United States, as does residential solar power, according to a new report from the Solar Energy Industries Association (SEIA).

Annual survey reveals Americans' changing interest in electric vehicles

Enthusiasm for electric cars has declined recently with nearly half of Americans not showing interest in buying one, according to a new survey.

Trump hopes to boost coal industry with executive order

Trump signed executive orders hoping to boost the coal industry amid a surging demand for electricity in the U.S. Here’s a look at how coal energy stacks up.

Canyon Lake in Comal County at historically low levels

Canyon Lake in Comal County is at historically low levels, despite recent rainfall in Central Texas.

Access to America's deepest lake is closing to tourists: What to know

If you’ve always wanted to swim or ride a boat in America’s deepest lake, this summer is your last chance to do it for a few years.

Study shows how microplastic pollution is impacting plant growth

A new study finds that microplastic pollution reduces plant photosynthesis, threatening global food security and worsening climate change. Researchers warn this could lead to major crop losses and disrupt ecosystems.

Mystery solved as 'crazy gross rain' dirties cars across hundreds of miles

Reports of vehicles mysteriously coated in dirt ranged from St. Louis and Missouri, through Illinois and even as far away as Charleston, West Virginia.

Pushback against controversial Burnet rock crusher quarry continues

A controversial rock crusher quarry just passed a major hurdle to development, but Burnet residents say their fight isn’t over yet.

US butterfly populations declining at 'catastrophic' rate—experts warn it's a 'bad sign for us'

A new study finds butterfly populations in the US have dropped 22% since 2000 due to pesticides, habitat loss, and climate change. Scientists warn the decline could have major consequences for ecosystems.

US stops sharing global air quality data, raising concerns among scientists

The US government will stop sharing air quality data from its embassies and consulates, citing funding cuts. Scientists warn the move will hinder global air pollution research and leave many nations without reliable data.

You can eat these 5 invasive animals to help population control, US Fish & Wildlife Service says

An invasive species is an introduced non-native organism that begins to spread or expand its range from an original introduction and can possibly harm the environment, economy or human health.