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Climate change is leading to floods in Bengaluru, Chennai and in the state of Andhra Pradesh in recent months. DW.com looks at the situation there. Studies show India' climate vulnerability. Southern regions are most vulnerable according to these studies, yet about 80% of India's population live in districts highly vulnerable to drought, flooding and cyclones. Bonn based Germanwatch says a surge in extreme events is noticeable since 2005 in India, and is triggered primarily by landscape disruptions.  Indian experts say land restoration and rehabilitation is one approach. Another is letting the water flow and redoing irrigation structures to capture rain- linking rivers to ponds, lakes and ditches so that water is free to flow.  Weather experts point out that surface temperature of Arabian sea has risen from 27 degrees Celsius (80 degrees Fahrenheit) to 29 degrees causing more frequent formation of low pressure areas and resulting in heavy rains. This DW.com report looks at weather patterns and extreme events around the world including in Madagascar and Brazil, Greece and British Columbia. ...

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The suddenness and severity of floods in Germany are just one more indication of climate change crisis that is happening much faster than campaigners or scientists expected. The Times looks at this from events of the last 2 years with drought conditions, wild fires, in places that range from the western US to Australia. 

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Heavy rains in western Germany, a weather pattern that has not been seen for 500 years, with storms making streams and rivers surge rapidly, are described here in the NYT. The speed of this flooding left residents in complete shock, with villages inundated in minutes. Weather patterns are becoming more unpredictable around the world. This is seen as one of the effects of climate change from overburdening industrial use in planet earth.

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Aging US dams are a problem like this one that was almost taken out in Midwestern states floods. The Rapidman dam in southern Minnesota was in "imminent failure condition" when floods hit last week. With the average of American dams at 60 years it looks like things will get worse. This dam 90 miles southwest of Minneapolis was built in 1910 on the Blue Earth River. With extreme weather events becoming common these dams are one more part of our infrastructure that needs rebuilding.

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About a third of Australians voted for the Greens party and several smaller parties. There was a definite trend in favor of tackling climate change after the fires and other extreme weather events in Australia in 2021. Scott Morrison's coalition gained 54 seats compared to 74 for Labour, with 76 needed for a majority. Labour had set a much higher target for reducing carbon emissions than the Morrison coalition with Labour setting 43% reduction in emissions compared to 26% for Morrison coalition by 2030. Australians decided climate change has to be tackled aggressively.

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Costs of climate change include food insecurity and drought, floods and fires. FR24 pictures show 10 figures from the 2021 Report of the Lancet Countdown on health and climate change: code red for humanity.

Shorter growing seasons lead to declines of 6% for corn and soy, and winter wheat 3%, rice 2% relative to 1980-2010.  2 billion people face food insecurity. Costs from extreme weather events in 2020 was $278 billion. 4 million deaths attributable to air pollution in 2019.

Drought leads to migration in Africa and Asia as crops and cattle wither in the heat from lack of rain. The estimated share of global surface area affected by extreme drought for any given month in 2020 is a shocking 19% according to this FR24 report. Also shocking is that until 2010 this figure was rarely above 5%.

 

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Report on Climate Science put out by the US Energy Department in 2025 questioning the severity and impending nature of climate change effects. It is challenged by scientists who believe in the severity and impending nature of climate change, quite the opposite. Koonin, a Fellow at the Hoover Instituion at Stanford describes the work and its conclusions. He says the research is peer reviewed and looks at 200 years of climate research. Some of the conclusions- That climate change models claiming catastrophic situations are ultra sensitive and lead to extreme scenarios.  It talks about climate variability, and model deficiencies, data limitations. And says data for climate over continental US show no long term trends for extreme weather events. Global sea level rise of 8 inches since 1800 is not disputed but it says US tide gauge data shows no long term acceleration in warming globe.  On one point there has been agreement even in the Biden administration- what the US does to cut emissions will little effect the global changes in warming- because of coal use by China and India defended as needed for electricity for two billion people, an essential need. Thus the desire for a calculated tradeoff which lets the US take advantage of its abundance of oil and gas to reduce the cost of living for ordinary Americans, also an essential need. Because of the declining cost of natural gas vs coal, coal is in gradual phase out, and declining cost of solar means Germany, China, India are making the shift to solar, and nuclear energy provides another option. The difference is that the DJT administration is taking government out of the effort and letting the private sector work out building of renewable sources. Government is not always the answer as electric cars are likely to make more gains in 2026 than under the Biden administration because of VW, Mercedes, BYD, Ford and GM coming up with cars that can do close to 500 miles on one charge and the cost of an EV down to about $30,000 to $40,000. ...

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Prof. Gorton and Prof. Metrick of the Yale School of Management review 16 scholarly studies and papers on the causes of the 2008-2009 global financial crisis in the current isue of the Journal of Economic Literature. Another article in the same journal reviews 21 books on the subject. Samuelson says the most cited causes- lax regulation and passive regulators, and the policy of home ownership that encourage the packaging and of securitization of mortgages to government sponsored agencies Fannie Mae and Freddie Mac- are only the surface causes. If we are to explain how a whole society seemed to believe in the idea that somehow there was a way to maintain a rising tide continuously, with only small corrections over several decades, by the clever manipulation of monetary and fiscal policies; then one has to look to the hubris of economists who acted as if this was possible and the gullibility of business and a public that desperately wanted to believe as some have put it "that this time it was different," or that shrewd management of economic policy could actually bring about such a panacea. The abiding lesson is economic policies based on a better understanding of how modern industrial economies work are merely useful tools, no more no less, and there is no substitute for a good ethic, wise management and careful thinking on the part of the public, business and government, particularly for the people in leadership positions. ...