On Earth, one of the most important factors regulating our climate is the carbon cycle. This refers to the processes by which carbon compounds are sequestered by biological (photosynthesis) and geological processes and released through volcanic activity and organic processes (decay and respiration). For billions of years, this cycle has kept temperatures relatively stable on Earth and allowed for life to flourish.
For the past few centuries, human activity has tipped the scales to the point that some refer to the current geological epoch as the Anthropocene. According to a new study by an international team of researchers, human activity is also leading to a situation where tropical rainforests (a major sequester of carbon dioxide) are not only losing their ability to soak up carbon but could actually be adding to the problem in the coming years.
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