Scientists say billions required to meet conservation targets

The most threatened species tend to be relatively cheap to save because of small range sizes.

Reducing the risk of extinction for threatened species and establishing protected areas for nature will cost the world over $76bn dollars annually. Researchers say it is needed to meet globally agreed conservation targets by 2020. The scientists say the daunting number is just a fifth of what the world spends on soft drinks annually. And it amounts to just 1% of the value of ecosystems being lost every year, they report in the journal Science.

“Nature just doesn't do recessions, we're talking about the irreversible loss of unique species and millions of years of evolutionary history” Donal McCarthy RSPB

Race to save Ecuador's 'lungs of the world'

The Yasuni National Park, known as "the lungs of the world" and one of the most bio-diverse places on earth, is under threat from oil drilling. The race is on to find the funds required to develop new sustainable energy programmes that would leave the oil - and the forest - untouched. In the early light of dawn, the Napo River, running swiftly from its headwaters in the high Andes, swirled powerfully past the bow of our motorised canoe. Suddenly, a dense cloud of green parrots swooped down from the canopy of the jungle and in a cackling din started scooping tiny beakfuls from the exposed muddy bank. The heavy mineral rich clay, the birds seem to know, is an antidote to the toxins present in the seeds of the forest which are a major part of their daily diets.

This inhospitable-looking landscape is home to some critically endangered species. The Niger government, this month, formally decreed this whole area - the Termit Massif and Tin Toumma desert - to be a national nature and cultural reserve. At almost 100,000 square kilometres it is the largest single protected area in Africa.   One of Earth's most inhospitable deserts is an important stop-over for migrating wildlife, scientists say. Researchers working in the Termit Massif and Tin Toumma desert in Niger say the whole area should be protected, because it is a biodiversity "hotspot". The rocky massif is home to the Critically Endangered dama gazelle.

The elusive Saharan cheetah, captured here by a camera trap, also lives there. Scientists working for the Sahara Conservation Fund (SCF) are working to have the area declared a National Reserve. The rainy season transforms the arid landscape into a temporary wetland, which many migrating animals depend on.