Emily Guerin

An invasive mosquito is spreading throughout SoCal. And it thrives in hot weather.

Why? An invasive mosquito is spreading throughout Southern California that's far more aggressive than our native mosquito.

It's not just people -- plants are also getting scorched by extreme heat across Southern California.

Wilted marijuana plants, sunburned impatiens, dead leaves on avocado trees. What's gonna happen when heat waves get even worse?

Arsonists set around 200 wildfires a year in California. Why do they do it?

They could be angry. Or out of work. Or a firefighter (seriously).

And it's only going to get hotter.

A recent UC San Diego study also found that people in coastal areas were much more sensitive to heat than people living inland.

The Trump Administration is moving to weaken the Endangered Species Act. That's the law credited with bringing back grey wolves and peregine falcons from the brink of extinction. Here in California those proposed changes might not matter.

A new study found that air pollution in Joshua Tree and Sequoia and Kings Canyon National Parks rivals Los Angeles. Both parks are downwind of the most polluted air basins in the country: Los Angeles and the San Joaquin Valley.