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While IPCC estimates predict a global mean SLR of 0.2–0.6 m by 2100, a rise of 0.7 m is predicted for the region of South Asia (which includes the Pakistan coast). This SLR will most likely affect low-lying coastal areas south of Karachi toward Keti Bander and I ndus River delta more than other regions of Pakistan.
The 2022 South Asian floods, including in Pakistan (pictured) are an example of a climate change impact. [1] [2] Climate change is particularly important in Asia, as the continent accounts for the majority of the human population. Warming since the 20th century is increasing the threat of heatwaves across the entire continent.
Among these, the Ravi and Sutlej are diverted in upstream India, for which consumptive use was awarded to India under the Indus Waters Treaty signed in 1960 by India and Pakistan. Canal networks from the Indus (main stem), Jhelum River, and Chenab River supply water throughout the agricultural plains in Punjab and in Sindh , while the rest of ...
The Pakistan Meteorological Department reported Severe Heatwave conditions occurring on 21–31 May 2024 through most of the country, and primarily in Sindh.Temperature highs rose to 40–42 °C (104–108 °F) in Karachi and 42–44 °C (108–111 °F) in Thatta, Badin and Sujawal districts, causing 2,547 reported instances of heat stroke and 133 livestock deaths.
Heat waves worldwide have become more extreme and more frequent due to human-influenced climate change and global warming. [15] [16] [17] Since 2004, India and Pakistan have experienced 11 of its 15 warmest recorded years. [18] The frequency and duration of heat waves in India and Pakistan has increased.
Some climate change effects: wildfire caused by heat and dryness, bleached coral caused by ocean acidification and heating, environmental migration caused by desertification, and coastal flooding caused by storms and sea level rise. Effects of climate change are well documented and growing for Earth's natural environment and human societies. Changes to the climate system include an overall ...
The Indian Ocean is one of the fastest warming oceans in the world, warming by an average of 1 °C (1.8 °F) (while worldwide temperatures are now at 1.2 °C (2.2 °F) above pre-industrial temperatures, oceans in general are at around 0.7 °C (1.3 °F)). [11] The rise in sea surface temperatures is believed to increase monsoon rainfall.
In the 1980s, the terms global warming and climate change became more common, often being used interchangeably. [29] [30] [31] Scientifically, global warming refers only to increased surface warming, while climate change describes both global warming and its effects on Earth's climate system, such as precipitation changes. [28]