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Trump's climate policy order challenges California's clean-air efforts

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Future humans: How many of us will there be?

Over half of the 7.5 billion humans on Earth live in just seven countries. What will the planet's population picture look like in 2100?

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Holcomb Fire now 65 percent contained

Some roads in the area are still closed, though Highway 18 has reopened Friday morning. Investigators are still looking into what may have sparked the fire, and are seeking tips from the public.

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LA received $320K to prevent urban heat deaths

The Los Angeles Urban Cooling Collaborative has one goal: Preventing heat-related deaths in urban areas by adding more trees, heat-reflective surfaces and better-insulated housing.

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