If Global warming is a phenomena, why there is change temperature in summer.
Two years back the temperature in summer is unbearable in India. But last year there is hardly rise in summer temperature. Is it some other effect or global warming is just a word.
Just because the temperature of the entire globe is slowly warming (which it is) does not mean that a particular region like India can't have a cooler than normal summer in the overall uptrend. We just had the hottest summer ever last year in the northeastern U.S. Two years before that the summer was cool and rainy; definitely below normal temperatures. This year, the summer has been much more seasonable so far, with hot weather, but not excessively hot weather and thunderstorms every few days.
I think people are expecting to see noticable temperature rises on an annual basis in order to quantify global warming and prove to themselves that it's real. Here's the deal, most reputable scientists know global warming is happening. Many non-scientists, especially politicians, say it is not happening. Since the topic is environmental science, only enviornmental scientists should get a vote in this. Just remember that we have only been in the Holocene Period with 4 seasons for 10,000 years. Historically, the world spends much more time in Ice Ages than outside of them. This is a very delicate system and when we hit the tipping point, Mother Nature is going to unleash Hell.
Global warming refers to increasing AVERAGE global temperatures. The global climate is exceptionally complex and so it is entirely possible for there to be local and annual variations in temperature.
Global warming is generally associated with excessive greenhouse gases in the atmosphere. It has disturbed the natural heat balance - energy coming from sun vs energy going back to space - of the planet. This has disturbed the annual cycle of seasons everywhere. Moreover, things like deforestation and other man made activities have also messed up regional ecological balance. How precisely a particular region will be affected is a matter of conjecture.
Therefore, falling for the phrase "global Warming" and looking for temperature rise only it is better to look at the issue as a "global climate mess-up".
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