A change in global climate has been described as the greatest current threat to humanity. The fierce debate over how we should meet that threat is constantly stoked by researchers' efforts to understand more about how our climate works, and how exactly we are altering it.

Plants are a major group of living things including familiar organisms such as trees, flowers, herbs, bushes, grasses, vines, ferns, and mosses.

Land plants are key components of the water cycle and several other biogeochemical cycles. Some plants have coevolved with nitrogen fixing bacteria, making plants an important part of the nitrogen cycle. Plant roots play an essential role in soil development and prevention of soil erosion. The Earth's biomes are named for the type of vegetation because plants are the dominant organisms in biomes.

keep the heat.

smile,

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