What is Climate Change ?
Long-term changes in temperature and weather patterns are referred to as climate change. Such fluctuations may be brought on by significant volcanic eruptions or variations in the sun’s activity. But since the 1800s, human activities—primarily the combustion of fossil fuels like coal, oil, and gas—have been the primary cause of climate change.
Scientists are very confident that the rise in global temperatures, which is mostly caused by greenhouse gases produced by human activity, will last for many decades.
Cause of Climate Change
Carbon dioxide and methane are the primary greenhouse gases responsible for climate change. These are produced, for instance, while burning coal or petrol to heat a building. Carbon dioxide is released when trees are cut down and land is cleared.
Cause of global Warming
Climate scientists have showed that humans are responsible for virtually all global heating over the last 200 years. Human activities like the ones mentioned above are causing greenhouse gases that are warming the world faster than at any time in at least the last two thousand years.
Effects of Climate Change
The Sixth Assessment Report of the IPCC, which was released in 2021, revealed that from the beginning of the Industrial Revolution in 1750, human emissions of gases that trap heat have already warmed the climate by almost 2 degrees Fahrenheit (1.1 degrees Celsius). Within the next few decades, the average global temperature is predicted to approach or surpass 1.5 degrees C (about 3 degrees F). All areas of the planet will be impacted by these developments.
During the monsoon season, extremely wet or dry events have increased in India and East Asia. In reaction to climate change, hurricanes and typhoons are probably getting stronger and producing more rain, and their geographic range is probably getting bigger.
Food and Health
The greatest threat to world health in the twenty-first century, according to the WHO, is climate change. Extreme weather causes harm and fatalities, and crop failures result in undernourishment. Warmer climates make it simpler to spread infectious diseases like dengue fever and malaria.
According to estimates from the World Health Organisation (WHO), between 2030 and 2050, climate change would contribute an additional 250,000 fatalities annually.