The latest report of IPCC Working Group I, Climate Change 2021: The Physical Science Basis, has clearly mentioned that climate change is already affecting every region on Earth in multiple ways. Climate impacts are already more widespread and severe than expected. The observed mean surface temperature increase has clearly emerged out of the range of internal variability compared to 1850-1900.
Impact of global warming on heatwaves
Heat extremes have increased while cold extremes have decreased, and these trends will continue over the coming decades. It is indisputable that human activities are causing climate change, making extreme climate events, including heatwaves, heavy rainfall, and droughts, more frequent and severe.
It is now univocal that Earth’s climate is changing; global temperatures have already risen by about 1.1 °C from pre-industrial times, and it warns that the 1.5 °C threshold is likely to be reached by 2040. This report projects with medium confidence that heatwaves and humid heat stress will be more intense and frequent during the 21st century.
The total number of days per year with a maximum temperature exceeding 35ºC will increase with the increase of global warming. The latest IPCC Working Group II report mentioned that risks would escalate quickly with higher temperatures, often causing irreversible impacts of climate change. We have already seen that millions of people in many parts of the South Asian region are experiencing a brutal heatwave that is threatening lives and livelihoods, and there is no relief in sight.
The importance of Earth Day lies in the scope of preserving humanity. The improvement that we have in our life now using fossil fuels are slowly melting the ice in the glaciers and instigating global warming at an accelerated rate. That is why it is necessary to use renewable energy and stored energy. By moving away from harmful bio products, the environment can be restored to its natural order.
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We appreciate the uniqueness of the planet Earth with its immense biodiversity through Earth Day. On this day we come forward to ensure that various activities are supervised to understand and protect our biodiversity and also to save our nature – plants, animals and environment.
We dedicate this day to increase awareness about the issues and the problems that our planet Earth is facing. Today, millions of people participate in activities in Earth Day to maintain and safeguard our nature making it the largest civic observance in the world. Various acts and policies such as Clear Air Act, Clean Water Act, Endangered Species Act and many others are sanctioned in this unique event.
People have been witnessing the increased global warming and changing weather patterns, shortage of food and increase in fuel prices which is why Earth Day has gained significance in the past. Acknowledging the importance of our planet is very much needed which makes people aware about the contemporary environment issues such as global warming, depleting resources etc. Even adults and kids are conscious about the strategies and tactics which can be adopted by them in day-to-day life to ensure cleaner and sustainable environment.