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According to the IPCC, the concentration of greenhouse gases in the earth’s atmosphere is directly linked to the average global temperature on Earth, and the concentration has been rising steadily. The most abundant greenhouse gas, accounting for about two-thirds of greenhouse gases, carbon dioxide, is largely the product of burning fossil fuels.
There is alarming evidence that important tipping points, leading to irreversible changes in major ecosystems and the planetary climate system, may already have been reached or passed. One of the most urgent challenges facing countries across the world today is how to achieve economic prosperity and development while also combating climate change.
The Paris climate change agreement commits nations to limit global temperature rise to no more than 2°C above pre-industrial levels, with countries pledging to cut or curb their greenhouse gas emissions – through a combination of mitigation and adaptation measures – by 2030.
Created an Opportunity in Energy, Climate Change, Industry and Entrepreneurship
Created an Event in Climate Change
Created a Post in Climate Change
For years it appeared as though Lake Turkana, which sits in an arid part of northern Kenya, was drying up.
Its main river inflows had been muffled by dams and many feared water levels were poised to drop by two-thirds, causing the lake to cleave into two smaller bodies of water. It was, one report said, an African “Aral Sea disaster in the making” – where only 10 per cent remains of the original sea.
But a new study from the United Nations Environment Programme (UNEP) predicts a far wetter future for Lake Turkana – and possibly a more perilous one for the 15 million people who live on its shores.
A new study tracking the planet’s vital signs has found that many of the key indicators of the global climate crisis are getting worse and either approaching, or exceeding, key tipping points as the earth heats up.
Overall, the study found some 16 out of 31 tracked planetary vital signs, including greenhouse gas concentrations, ocean heat content and ice mass, set worrying new records.
Created a Post in Climate Change, Green Recovery from COVID-19
Instead of achieving a green recovery, trillions of dollars in pandemic stimulus packages are actually harming nature and climate, with over a quarter of the funds going to carbon-intensive sectors including fossil fuels and heavy industry, new research by Vivid Economics and Finance for Biodiversity Initiative finds.
Created a Post in Climate Change, Sustainable Finance
Climate impacts are here, now, and they are felt most acutely by local communities already disproportionately vulnerable to economic, health and other stressors. Yet the world lacks information on how much climate adaptation finance is actually reaching and supporting these at-risk communities.
It is “very likely” that the way clouds change as the world warms will drive further temperature rise, a new study finds.
The response of clouds to a change in global temperature – known as the “cloud feedback” – plays a crucial role in how much the planet will warm. However, estimates of cloud feedback are uncertain. The new study, published in Proceedings of the National Academy of Sciences, uses global satellite observations to reduce this uncertainty.
Created an Opportunity in Climate Change
Created a Post in Climate Change, Natural Capital, Water and Sanitation
Scottish Water Turning to Ecosystem-based Mitigation