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conservation

Sumatran tigers fall 17 per cent and have just two strongholds

Earth

Sumatran tigers fall 17 per cent and have just two strongholds

There are now only two viable populations of Sumatran tigers left in the wild, so if the cats are to be saved those areas have to be protected

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David Waters

Life

Bustard or bust: The fractious battle to bring back a lost giant

Features

The Great Barrier Reef

Life

'Super-spreader' coral could restore trashed Great Barrier Reef

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Madagascar's lemurs close to extinction after population crash

Earth

Madagascar's lemurs close to extinction after population crash

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Light pollution is set to double between now and 2050

Earth

Light pollution is set to double between now and 2050

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Adelie penguins

Life

Let's hope chickless penguin colony can come back from the brink

Comment

Keystone XL oil pipeline will go ahead despite last week's spill

Earth

Keystone XL oil pipeline will go ahead despite last week's spill

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Human arrivals wiped out the Caribbean’s giant ground sloths

Earth

Human arrivals wiped out the Caribbean’s giant ground sloths

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death

Humans

Get closer to death to make the most of life

Leader

What we're doing now will make the ocean completely unliveable

Earth

What we're doing now will make the ocean completely unliveable

Climate change could reduce oxygen levels in the oceans by 40 per cent over the next 8000 years, leading to dramatic changes in marine life

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Earth

Planting trees could mop up ten years’ worth of greenhouse gases

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Humans

Why burying loved ones in unmarked graves could save wildlife

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Life

There is a third species of orangutan and somehow nobody noticed

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Life

A third of animals are vanishing as roads spread through forests

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