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Up to half of plant and animal species in the world's most naturally rich areas, such as the Amazon and the Galapagos, could face local extinction by the turn of the century due to climate change if carbon emissions continue to rise unchecked.

Even if the Paris Climate Agreement 2°C target is met, these places could lose 25% of their species according to a landmark new study by the University of East Anglia (UK), the James Cook University (Australia), and WWF.

Published today in the journal Climatic Change and just ahead of Earth Hour, the world's largest environmental event, researchers examined the impact of climate change on nearly 80,000 plant and animal species in 35 of the world's most diverse and naturally wildlife-rich areas.

It explores a number of different climate change futures -- from a no-emissions-cuts case in which global mean temperatures rise by 4.5°C , to a 2°C rise, the upper limit for temperature in the Paris Agreement . Each area was chosen for its uniqueness and the variety of plants and animals found there.

The report finds that the Miombo Woodlands, home to African wild dogs, south-west Australia and the Amazon-Guianas are projected to be some the most affected areas. If there was a 4.5°C global mean temperature rise, the climates in these areas are projected to become unsuitable for many the plants and animals that currently live there meaning:

Up to 90% of amphibians, 86% of birds and 80% of mammals could potentially become locally extinct in the Miombo Woodlands, Southern Africa

The Amazon could lose 69% of its plant species

In south-west Australia 89% of amphibians could become locally extinct

60% of all species are at risk of localised extinction in Madagascar

The Fynbos in the Western Cape Region of South Africa, which is experiencing a drought that has led to water shortages in Cape Town, could face localised extinctions of a third of its species, many of which are unique to that region.

As well as this, increased average temperatures and more erratic rainfall could become be the "new normal" according to the report -- with significantly less rainfall in the Mediterranean, Madagascar and the Cerrado-Pantanal in Argentina. Potential effects include;

Pressure on the water supplies of African elephants -- who need to drink 150-300 litres of water a day

96% of the breeding grounds of Sundarbans tigers could become submerged by sea-level rise

Comparatively fewer male marine turtles due to temperature-induced sex assignment of eggs.

If species can move freely to new locations then the risk of local extinction decreases from around 25% to 20% with a 2°C global mean temperature rise. If species cannot they may not be able to survive. Most plants, amphibians and reptiles, such as orchids, frogs and lizards cannot move quickly enough keep up with these climatic changes.

Lead researcher Prof Rachel Warren from the Tyndall Centre for Climate Change Research at UEA said: "Our research quantifies the benefits of limiting global warming to 2°C for species in 35 of the world's most wildlife-rich areas. We studied 80,000 species of plants, mammals, birds, reptiles and amphibians and found that 50% of species could be lost from these areas without climate policy. However, if global warming is limited to 2°C above pre-industrial levels, this could be reduced to 25%. Limiting warming to within 1.5°C was not explored, but would be expected to protect even more wildlife."

Overall the research shows that the best way to protect against species loss is to keep global temperature rise as low as possible.

The Paris Agreement pledges to reduce the expected level of global warming from 4.5°C to around 3°C, which reduces the impacts, but we see even greater improvements at 2°C; and it is likely that limiting temperature rise to 1.5°C would protect more wildlife.

This is why on 24 March millions of people across the world will come together for Earth Hour, to show their commitment to reducing global emissions and protecting people and wildlife from the impacts of climate change. The event also sends a clear message to business and government that there is a global will to change this trajectory.

Tanya Steele, CEO of WWF commented: "Within our children's lifetime, places like the Amazon and Galapagos Islands could become unrecognisable, with half the species that live there wiped out by human-caused climate change. Around the world, beautiful iconic animals like Amur tigers or Javan rhinos are at risk of disappearing, as well as tens of thousands plants and smaller creatures that are the foundation of all life on earth. That is why this Earth Hour we are asking everyone to make a promise for the planet and make the everyday changes to protect our planet."

The models used in this research come from the Wallace Initiative, a near decade long partnership between the Tyndall Centre at UEA, eResearch at James Cook University, the Global Biodiversity Information Facility and WWF.

Dr Jeff Price, coordinator of the Wallace Initiative and also from UEA, said: "This research provides a view on the differing spatial impacts of climate change on biodiversity. It shows the benefits of combining citizen science with the research and resources of highly-ranked universities to assist an NGO with their conservation activities."

'The implications of the United Nations Paris Agreement on climate change for globally significant biodiversity areas' is published in the journal Climatic Change on March 14, 2018.

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nature; endangered plants; endangered animals; extinction; climate; environmental awareness; global warming; environmental issues

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Climate change risk for half of plant and animal species in biodiversity hotspots: The Amazon, Miombo Woodlands in Southern Africa, and southwest Australia will be among the most affected places in the world, according to comprehensive new paper and report commissioned by WWF

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Up to half of plant and animal species in the world's most naturally rich areas, such as the Amazon and the Galapagos, could face local extinction by the turn of the century due to climate change if carbon emissions continue to rise unchecked.

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The Amazon forest could be forever devastated by climate change if carbon emissions are not curbed, a new study found. The forest is home to 10 percent of the world's wildlife, much of which is at risk for extinction.

A loss of half of its plant and animal species would redraw the world's famous rainforest, according to a joint study released Tuesday in the journal Climatic Change. Conducted by the University of East Anglia, James Cook University and World Wildlife Fund, the study's executive summary calls out "manmade climate change" as one of "the greatest challenges we face on planet."

By monitoring temperature and precipitation, researchers forecast how those factors would change in "priority places" such as the Amazon, which has as many as 80,000 plant species. The Amazon has been labeled as "home to irreplaceable and threatened biodiversity."

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The study looked at three climate scenarios, including a "business as usual scenario." If no further action was taken to combat climate change, there would be a 4.5 degree Celsius increase and more than two-thirds of species in all groups would be threatened. Even at the smallest temperature rise modeled-2 degrees Celsius-more than four in 10 plant species are targeted for local extinction by the end of the century.

The study's authors cited the importance of mitigation in the form of cutting greenhouse gas emissions. By limiting the rise of global temperatures, the extinction projection will decrease tremendously.

The study also notes dispersal, where species battling climate change must either adapt or move. "Without the ability to disperse, the proportion of species
exposed to local extinctions at a 2 degrees Celsius global temperature rise increases from 20 percent to around 25 percent," researchers found.

Even with the current 2015 Paris Climate Agreement, under which almost 200 countries pledged to curb greenhouse gas emissions, around six in 10 plant species in the Amazon are still expected to go extinct.

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Amazon Forest could lose half its species to climate change, a new study shows

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The Amazon forest could be forever devastated by climate change if carbon emissions are not curbed, a new study found. The forest is home to 10 percent of the world's wildlife, much of which is at risk for extinction.

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Climate Change Is Already Wreaking Havoc on Our Weather, Scientists Find

http://time.com/5064577/climate-change-arctic/

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Enzo 4*4

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Effects of Climate Change | Threats | WWF

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Sea levels are rising and oceans are becoming warmer. Longer, more intense droughts threaten crops, wildlife and freshwater supplies. From polar bears in the Arctic to marine turtles off the coast of Africa, our planet’s diversity of life is at risk from the changing climate.
Climate change poses a…

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KAMILA 4*4

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Angelina 4e4

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