UN Secretary-General Antonio Guterres in the 76th session of the UN General Assembly called for urgent climate action and said nations must “end the war on our planet” and commit to zero emissions by 2050.
Urgent action is required against the changing climate change as it is happening more frequently now than before. Presenting United in Science report 2021, in United Nations Climate Change Conference in Glasgow, known as COP26, Guterres said, “We need all countries to commit to net zero emissions by 2050, backed up by concrete long-term strategies, and enhanced Nationally Determined Contributions which collectively cut global emissions by 45 percent by 2030, compared to 2010 levels.”
The United in Science report 2021 suggested that the greenhouse gas concentrations in the atmosphere are at record levels, committing the planet to dangerous future warming. The average global temperature for the past five years was among the highest on record. The report also warns that the temperatures will temporarily breach the threshold of 1.5° Celsius above the pre-industrial era, in the next five years.
Here are some of the severe impacts of the climate crisis on human life which can prove disastrous:
Rising temperatures are linked to increased heat-related mortality and work impairment, with an excess of 103 billion potential work hours lost globally in 2019 compared with those lost in 2000.
Climate hazards such as heatwaves, wildfires, and poor air quality are threatening human health worldwide, putting vulnerable populations at particular risk.
Average rate of sea level acceleration is f 3.7+0.5 mm/yr from 2006 to 2018 and will range from 1.7–6.8 m (perhaps more) by 2300 with further large rises continuing beyond. Almost two-thirds of the world’s cities with populations of over five million are located in areas at risk of sea-level rise and almost 40 per cent of the world’s population live within 100 km of a coast. Districts like New York, Shanghai, Abu Dhabi, Osaka, Rio de Janeiro, and many other cities which are located in coastal areas will submerge underwater in our lifetime, displacing millions of people.
Groundswell 2.0 report published by World Bank suggested that climate change could trigger internal migration of over 216 million people which will put human rights under crisis.
World Bank report, Groundswell 2.0 also suggested that climate change will also impact the global productivity of crops. The productivity of the crop will decline and also water stress will increase leading to more migration.
Most of the climate change is caused by the emission of greenhouse gases, hence early and concerted action both to cut global greenhouse gas emissions and to ensure inclusive and resilient development is essential and can reduce the scale of internal climate migration by as much as 80 percent.
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