Extreme weather conditions that manifest in longer heat waves and high-intensity rainfall phases, which do not usually occur in our season but have become more familiar in recent years, will be an increasingly common occurrence in Delhi-NCR, say two Indian scientists Which contributes to the latest and most complete inter-government-based panels in the Climate Change (IPCC) report that warns a 1.5 degree Celsius increase in global temperatures in 20 years.
The IPCC has been on August 9 out with the sixth assessment report, which is based on a review of more than 14,000 papers published by 234 scientists from all over the world.
“Delhi-NCR will witness the severity of heat waves and extreme rainfall,” Prof.
Govindasamy Bala, professor at the Indian Science Institute (IISC) in Bengaluru, told toi.
“Urban floods (which have been witnessed by the region, especially in Gurgaon) will also be a common feature because of the concentration of high rainfall in a short duration.
The existing system cannot trigger excessive rainfall in a short period of time.
This is all the effects of climate change,” Add it.
Speaking to Toi separately, Dr.
H Ravindranath agreed with Prof Bala’s analysis.
“Rainfall and temperature are determined by global factors.
Delhi-NCR will witness the direct and indirect impact of climate change.
The direct impact will be severe heat waves and high intensity rainfall.
The indirect impact will increase cases of dengue fever, malaria and migration People from various parts of India to Delhi and neighboring districts to work, “said Dr.
Ravindranath, Professor (Retd) from the Lestari Advanced Center.
Prof.
Bala underlines the need for more water to help reduce air pollution, the largest environmental challenge for the capital and solid satellite cities such as Gurgaon, Faridabad, Noida and Ghaziabad, and the effects of extreme weather in the region.
“The answer to this problem is simple.
The area requires more waterbodies that can act as coolers.
Runoff water from excess rain can also be pushed towards this reservoir to avoid flooding,” he said.
The only way, he added, to overcome air pollution in this region is to reduce diesel emissions.
“Polututants don’t live in the old atmosphere.
They are scattered and removed for two weeks.
Air pollution is a local problem, and it must be handled locally,” he said.
The IPCC report, which for the first time was firm about human activities which was the cause of the climate crisis, called for drastic cuts in greenhouse emissions.
“The speed of climate change has increased.
Although the average global temperature shows an increase of only 1.1 degrees Celsius, it can be complicated.
Because the average increase in temperature is calculated for 10 years globally, outliers, such as extreme temperatures, hidden.
It is possible that In some areas, the temperature may increase by 10 degrees Celsius, “said Prof.
Bala.
Delhi-NCR has witnessed erratic weather, very hard and winter summer and Monson Monson ended with a rainy deficit but triggered an episode of airlogging due to burst.
So, can we come back from here? “No, we can’t.
Some changes cannot be recovered in our lives.
Take, for example, smelting glaciers.
It takes 100 years to respond, and we also cannot predict when most ice sheets will fall into the sea and increase the surface of the water.
The climate is the problem we make for future generations, “Professor IISC warned.
“Unless the carbon emissions are reduced dramatically, limiting heating to 1.5 degrees Celsius will be out of reach.
India has so far not indicated a road map for peaks and nall nall in carbon emissions,” he added.
In Delhi-NCR, city planning for the future, and consequently environmental strategies must take into account the wave of migration to the region.
Dr.
Ravindranath said, “People from other parts of India will migrate to Delhi-NCR.
Because of flooding and drought continue to play chaos in various parts of the country, people will migrate to Delhi.
This will also have a drastic impact on food production.
This is all The indirect impact of the climate change will be witnessed by the region.
“The government steps must limit the effects of climate change, he added,” Haryana must plant more trees, which can help the region create obstacles to dust from the desert.
Increase green cover It will also reduce soil erosion.
To limit the phenomenon of urban heat islands, the government can paint the roof of every white building.
This will reduce heat.
Delhi-NCR must ensure stormwater waterways are not choked.
This will help limit urban floods.
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