environment
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California water officials said they drained enough of the lake behind it so that emergency spillway won’t be needed to handle runoff from approaching storm
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An unusual amount of rain, climate change and unexpected erosion of an emergency spillway created a perfect storm at Lake Oroville in California
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Local residents express a mix of frustration and stoicism as emergency crews race to stem flooding from America’s tallest dam
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Tribes lose challenge to the president’s decision to speed approvals for last stretch of $3.7bn pipeline under Missouri river in North Dakota
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Bags of rocks loaded on to helicopters to fill gap created by erosion, and the emergency repairs come a day after nearly 200,000 were evacuated in California
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Order for 60-day pause on regulations not yet implemented includes protection for endangered rusty patched bumblebee, which experts say is near extinction
latest news
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Experts at emergency meeting of 16 nations say pest has invaded fields of maize, a staple crop throughout the region
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Conservationists hope second group of 14 scimitar-horned oryx bred in captivity will help repopulate original habitat in Chad
talking points
elephant conservation
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Climate change, poaching, competition for food and water… elephants have never faced such threats. Here are more than 50 ways to give them a helping hand. Can you add to the list?
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‘This is the last chance saloon,’ say politicians and campaigners pushing for urgent action
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the big picture
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A tiger family drinking at the watering hole, a nightingale and a snake that plays dead are among this week’s pick of images from the natural world
Shorten fails to specify cost of Labor's renewables policy when asked four times