NATIONAL GEOGRAPHIC:
More than mankind has since time began.
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The 1991 eruption of Mount Pinatubo released an estimated 20 million tons of sulfur dioxide into the atmosphere, leading to a cooling effect on Earth's climate. The volcano did not release a significant amount of carbon dioxide.
No. Plants emit their own CO2 through respiration.
Photosynthesis does not.A:The photosynthesis process in vegetation, plants and trees does release CO2. Not only that, it also captures it again from the atmosphere. The photosynthesis process is part of a larger natural process called the Carbon Cycle. In this cycle, oceans release and capture CO2 too.
On average, a commercial airplane emits about 53 pounds of CO2 per mile. The exact amount of CO2 emissions can vary depending on factors such as the type of aircraft, distance traveled, and load factors.
Release of CO2.
O and Co2