Laguna Niguel resident returns to see neighborhood destroyed by fire: ‘It’s like a war zone here’

“It’s shocking to me to see their homes like this,” Fred Minager said in disbelief. “There’s nothing to salvage. There’s nothing. Everything is burned. I can’t even recognize it.”

Cleaner air leads to more hurricanes in the Atlantic, study finds

A new study links how many hurricanes form worldwide to air pollution levels. Wednesday's study from the National Oceanic and Atmospheric Administration says cleaner air in Europe and the United States is helping trigger a dramatic increase in the number of Atlantic hurricanes.

Great white shark stalking the East Coast spotted near New Jersey, Carolinas

A massive great white shark stalking the East Coast was spotted near the Carolinas on Monday after earlier being tracked off the coast of New Jersey, according to researchers.

April CO2 levels were the highest in recorded human history, data shows

The first time Earth reached a record average for CO2 concentrations in the atmosphere was in 2015 and the levels continue to grow every year.

Philadelphia residents frustrated with illegal dumping, city's response to problem

Illegal dumping has become a predominant problem in Philadelphia, leaving many residents frustrated with the growing trash. Both law enforcement and city officials say they are aware of the problem and working on combatting it.

Ukraine war 'screams' need to reject Russian energy, US officials say

Hours after Russia cut off natural gas to Poland and Bulgaria, the energy secretaries from the U.S. and the European Commission called for a rapid acceleration of wind power.

Foul-smelling toxic foam spewing from polluted river takes over Colombian city

Photos show how the massive layer of toxic foam is plaguing the city of Mosquera, Colombia, near Bogota, drifting into residents’ yards and businesses.

One-fifth of reptiles face risk of extinction, new report finds

A comprehensive new assessment of thousands of reptiles species has found that 21% are considered endangered, critically endangered or vulnerable to extinction.

Whale entangled in fishing net spotted with calf off Cape Cod

An endangered North Atlantic right whale that has been entangled in rope for months was recently spotted off the coast of Cape Cod in Massachusetts this week after swimming over 1,000 miles from Florida with its baby.

Coal interests sue to block Pennsylvania's carbon policy

Coal-related interests are suing to block the centerpiece of Gov. Tom Wolf’s plan to fight climate change, a carbon-pricing policy that will impose a cost for emitting planet-warming carbon dioxide from fossil fuel-fired power plants.

Twitter bans ads that contradict science on climate change

Twitter is banning ads that deny climate change, but there's no indication the change will impact what users can post on the site.