Some 60 world leaders gather at UN for a "climate emergency" summit aimed at reinvigorating the faltering Paris agreement, at a time when mankind is releasing more greenhouse gases into the atmosphere than at any time in history.
Special report by the Intergovernmental Panel on Climate Change (IPCC) warns of a connection between global warming and the way land is used for agriculture.
In a landmark report, the UN's Intergovernmental Panel on Climate Change highlights the need to protect what remains of tropical forests as a bulkhead against future warming.
Sweden's Greta Thunberg told lawmakers, "I want you to act as if the house is on fire," as she warned about species extinction, deforestation and ocean pollution.
In its latest State of the Climate overview, the World Meteorological Organization (WMO) reaffirms that the past four years have been the hottest on record - figures previously announced in provisional drafts of the flagship report.
Natural gas accounts for 45 percent of the rise in energy consumption, helping drive record-high greenhouse gas emissions.
Scientists say oceans absorb most of the world’s growing climate-changing emissions rising due to human activities, helping fuel more intense hurricanes and other extreme weathers.
With only a single degree Celsius of warming so far, the world has seen a crescendo of deadly wildfires, heatwaves and hurricanes, a UN report says.
IPCC says limiting global warming to 1.5 Celsius above pre-industrial levels could reduce the number of people exposed to climate risks and poverty by up to several hundred million by 2050. But can poorer nations afford it?
At current levels of greenhouse gas emissions, earth could pass the 1.5 C marker as early as 2030, and no later than mid-century, the Intergovernmental Panel for Climate Change reports with "high confidence".
A meeting of 195-nation Intergovernmental Panel on Climate Change in South Korea is vetting a major report that traces pathways for cutting global warming to 1.5 degrees Celsius. The bombshell 20-page report is due to be released on October 8.
The estimated cost of measures to limit Earth-warming greenhouse gas emissions can be more than offset by reductions in deaths and disease from air pollution, a study published by The Lancet Planetary Health journal says.
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