Question

how does transpiration affect climate​

Answer 1

Answer:

As plants ‘breathe’ and ‘perspire’ they help cool the atmosphere. Plants consume carbon dioxide—a significant greenhouse gas—in the process of photosynthesis. The reduction of carbon dioxide in the atmosphere has an indirect cooling effect. Plants also cool the atmosphere because they release water vapor when they get hot, a process similar to sweating. The diagram at left shows the microscopic structure of a leaf, and the processes of photosynthesis and transpiration.

Because of these processes, many researchers believe plants may have a sizable impact on global climate in the future. As humans continue to generate carbon dioxide and other greenhouse gases, the Earth’s surface will likely warm at a faster rate than it has in a thousand years. According to the Intergovernmental Panel on Climate Change (IPCC), the Earth is likely to warm another 1.4 degrees to 5.8 degrees by the end of this century (IPCC 2001). Needless to say, such big changes in the climate would likely alter vegetation growth all over the world. Many researchers hypothesize that the changes in vegetation could either serve to worsen or put a damper on global warming. If, for instance, the increased temperature and carbon dioxide levels of the Earth cause vegetation worldwide to flourish, plants could draw down more carbon dioxide and thus reduce the impact of the greenhouse effect. If, on the other hand, global warming causes widespread drought, then the loss of vegetation may result in even higher surface temperatures.

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Answer 2

Explanation:

The environmental impact of transport is significant because transport is a major user of energy, and burns most of the world's petroleum. This creates air pollution, including nitrous oxides and particulates, and is a significant contributor to global warming through emission of carbon dioxide.