- Trump touts energy policies at natural gas plant
- 16-year-old climate activist Greta Thunberg says meeting with Trump would be a "waste"
- Salmon dying in Alaka's Yukon area possibly linked to climate change
- Climate activist Greta Thunberg on the environmental crisis
- UN issues stark warning on climate change
- Paris hits 109 degrees in record-breaking heat wave
- Hubble telescope captures spiral galaxy 70 million light-years away
- Remembering the Apollo 11 splashdown 50 years later
- Pence talks Trump's plan to revive human exploration in space
- When will the heat wave end?
- Space tourism aims to make anyone into an astronaut
- Hurricane watches issued for parts of Louisiana
- Unprecedented mission to save hundreds of South Africa's flamingos
- Closed Mississippi beaches hitting local businesses' bottom line
- Experts warn earthquakes could cause billions in damage in Los Angeles
- Temperatures on the rise in Alaska
- Experts warn earthquakes could cause billions in damage in LA
- Is California ready for the "big one"?
- Some California residents so rattled by big earthquakes they're sleeping outside
- Anchorage hits 90 degrees as record-breaking heat wave hits Alaska
