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Related: About this forumClimate crisis reducing land's ability to sustain humanity, says IPCC
https://www.theguardian.com/environment/2019/aug/08/climate-crisis-reducing-lands-ability-to-sustain-humanity-says-ipccClimate crisis reducing lands ability to sustain humanity, says IPCC
Damian Carrington Environment editor
Thu 8 Aug 2019 09.00 BST Last modified on Thu 8 Aug 2019 09.27 BST
The climate crisis is damaging the ability of the land to sustain humanity, with cascading risks becoming increasingly severe as global temperatures rise, according to a landmark UN report compiled by some of the worlds top scientists. Global heating is increasing droughts, soil erosion and wildfires while diminishing crop yields in the tropics and thawing permafrost near the poles, says the report by the Intergovernmental Panel on Climate Change. Further heating will lead to unprecedented climate conditions at lower latitudes, with potential growth in hunger, migration and conflict and increased damage to the great northern forests.
The report, approved by the worlds governments, makes clear that humanity faces a stark choice between a vicious or virtuous circle. Continued destruction of forests and huge emissions from cattle and other intensive farming practices will intensify the climate crisis, making the impacts on land still worse.
However, action now to allow soils and forests to regenerate and store carbon, and to cut meat consumption by people and food waste, could play a big role in tackling the climate crisis, the report says. Such moves would also improve human health, reduce poverty and tackle the huge losses of wildlife across the globe, the IPCC says.
Burning of fossil fuels should end as well to avoid irreversible loss in land ecosystem services required for food, health and habitable settlements, the report says.
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Prof Jim Skea, from the IPPC, said the land was already struggling and climate change was adding to its burdens. Almost three-quarters of ice-free land was now directly affected by human activity, the report says.
Poor land use is also behind almost a quarter of the planets greenhouse gas emissions the destruction of forests, huge cattle herds and overuse of chemical fertilisers being key factors. Emissions relating to fertilisers have risen ninefold since the early 1960s. Rising temperatures are causing deserts to spread, particularly in Asia and Africa, and the Americas and Mediterranean are at risk, the report says.
One of the most stark conclusions in the IPCC report is that soil, upon which humanity is entirely dependent, is being lost more than 100 times faster than it is being formed in ploughed areas; and lost 10 to 20 times faster even on fields that are not tilled.
The report recommends strong action from governments and business, including ending deforestation and enabling new forests to grow, reforming farming subsidies, supporting small farmers and breeding more resilient crops. Many of those solutions, however, would take decades to have an impact, the IPCC says.
Consumers in rich nations could act immediately by reducing their consumption of intensively produced meat and dairy foods products that have a huge environmental impact.
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Climate crisis reducing land's ability to sustain humanity, says IPCC (Original Post)
nitpicker
Aug 2019
OP
Roy Rolling
(6,943 posts)1. Nature Knows Danger
Nature knows a species that upsets the balance, and she has laws that limit human damage by destroying in the species itself.
bronxiteforever
(9,287 posts)2. Kick and recommend.