Science & Environment | Exploring the intersection of urban life, science and the environment

Humans are warming climate, government researchers say

The U.S. government's most comprehensive climate report to date is at odds with the statements made by President Trump and his Cabinet.
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Recent Environment & Science coverage

How to watch the Leonid meteor shower Friday night

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NASA's Paul Chodas recommends getting away from the city to watch the showers around midnight. Settle in, look east and be patient for the streaks of light to appear.

Live near an oil well? CARB wants to know what you breathe.

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A new state program will monitor air quality in neighborhoods near oil and gas facilities. But critics say it should lead to measurable improvements, not just more data.

The largest digital camera in the world takes shape

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A two-story tall, digital camera is taking shape in California. It will ultimately go on a telescope in Chile where it will survey the sky, looking for things that appear suddenly or change over time.

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US lifts ban on importing elephant trophies from Zimbabwe, Zambia

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The U.S. Fish and Wildlife Service said hunting programs in those countries can aid conservation efforts. But those who oppose the policy change point to a decline in Zimbabwe's elephant population.

Keystone Pipeline oil spill reported in South Dakota

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The oil leak occurs just a few days before Nebraska state regulators will decide on the fate of TransCanada's controversial sister project, the Keystone XL Pipeline.

Watch: The hurricane season, as shown by salt, smoke and dust

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A NASA visualization uses computer models to show how recent hurricanes shifted salt from the Atlantic, dust from the Sahara and smoke from fires in Portugal and the Pacific Northwest.

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Californians still use more water than the national average

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Californians cut way back on water consumption during the drought. But we still trail far behind many East Coast states.

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More Environment & Science

As climate shifts, California birds are nesting earlier

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As global temperatures continue to climb, animals have to adapt. For 202 different species of California birds, that means nesting earlier in the year.

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Did firefighters suffer toxic exposure in the Wine Country Wildfires?

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Researchers will take blood and urine samples from 200 firefighters to find out if they did.

3 tons of supplies are headed to the International Space Station

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An unmanned Antares rocket carrying 7,400 pounds of stuff blasted off from Wallop Islands, Virginia.

Schwarzenegger says climate activists should change their tactics

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The movie star and former California governor wants environmental activists to pay more attention to immediate health hazards like air and water pollution.

Are Instagram crowds ruining nature?

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When a particularly scenic shot gains traction on Instagram, visitors flood in. That can lead to permanent changes in the landscape.

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​PG&E says someone else's wires may have started deadly blaze

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PG&E said in a legal filing Thursday that a preliminary investigation suggests that a private power line may have started the blaze that killed 21 people and destroyed more than 4,400 homes in Sonoma County.

Want to breathe cleaner air? Move the bus stop

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Researchers conclude relocating bus stops away from intersections can dramatically cut the amount of vehicle emissions riders breathe.

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Officials in Los Angeles investigate spill at urban oil well

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The Los Angeles Times reports Wednesday that the spill — estimated to be from 20 to 40 barrels — was discovered Saturday. The cause is unknown.

Supervisors approve big dig at Devil's Gate Dam

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Local environmental groups had sued to limit the amount of sediment that could be removed and the amount of bird and wildlife habitat that could be torn out.

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