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Who saves species, protects the climate

not Only will reduce the emission of carbon dioxide ranges. It is high time for a global Pact for the protection of species.

comment by Tina Baier Tina Baier

volunteer in the science editorial, editor at "topic of the day", an editor in the Science Department and for the Department of the Munich Region in Bavaria.

threatened to send E-Mail

to die The species, not only insects, but tens of thousands of different species and is just as dangerous as climate change. Both could make the earth an inhospitable place, in both there is a Point of no Return, a tipping point, to save you from the nothing more, and both of them are global problems. In 2015, 196 countries have signed the Convention of Paris, under which the man-made global warming not above 1.5 degrees Celsius is expected to rise. Similar should happen when species die. A good opportunity for the publication of the global report on the state of biodiversity at the beginning of may, coincidentally also in Paris.

half of all Ecosystems under protection, would be the crisis appropriately

As climate change shows, it does not mean such an Agreement are still long, that the goals set are achieved. You could, however, at least a common basis for Action that would hopefully facilitate the cooperation between different countries. However, it is not easy to formulate a common goal for global species protection. On the earth there are various varieties of Ecosystems, from forests to grasslands to deserts, to forget oceans, lakes and rivers. Each individual is complex, the relationships are often not explored. Similar is true for a majority of living animals and plants.

A way to protect all of these species at the same time, would be to make a certain percentage of all the Ecosystems under protection. 50 percent by the year 2050 would be given the critical situation just appropriate. A correct approach in this direction were already in 1993 formulated the "Aichi targets", according to which 17 percent of the land area and ten percent of the oceans are made up to the year 2020 under protection.

Somehow, the but into oblivion. This would benefit not only the living animals and plants, but also the climate. Especially important the forests are. An intact rain forest about filters twice as much carbon dioxide from the air, such as an area equal to a large mono-culture. At the same time, about two-thirds of all animal and plant species are estimated to have in the woods.

But also many other Ecosystems, such as tundra or mangroves are important habitats for many different species of animals and plants, and save at the same time large quantities of the greenhouse gas CO₂. It is also undisputed that intact Ecosystems can soften the impact of a warming of the climate better than areas that are already under pressure. Species extinction and climate change so closely. In order to save the world, must both be stopped.

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