News > Science Climate change: Rainforest absorption of CO2 becoming erratic.

But rainforests do play a crucial role in many of our planet’s ecological cycles – they maintain global rainfall and regulate climate patterns worldwide. Tropical rainforests are often called the “lungs of the planet” because they generally draw in carbon dioxide and breathe out oxygen. What Produces Most of the World's Oxygen? Tropical rainforests produce 40% of the Earth’s oxygen even though they cover only 7% of our land. Explain to students that rainforests are responsible for roughly one-third (28%) of the Earth’s oxygen but most (70%) of the oxygen in the atmosphere is produced by marine plants.

Some scientists estimate that 20 percent of the planet's oxygen is produced by rainforests.

It is estimated that trees in tropical rainforests lower the planet’s temperature around -15 degrees Celsius. Ask: Where does the oxygen we breathe come from? Efforts are underway to contain the wilfires in Amazon rainforest which generates more than 20 percent of world’s total oxygen.

That means it is what the forestry people call Terminal. Most of the people have realized the importance of the Amazon rainforest when the wildfires made into headlines with media highlighting its significance for planet Earth.

While the role of rainforests in oxygen generation is often overstated—more oxygen is produced by microorganisms in the world's oceans—tropical rainforests do add oxygen to the atmosphere as a by-product of photosynthesis. Discuss Earth’s oxygen resources. The world’s tropical forests are so degraded they have become a source rather than a sink of carbon emissions, according to a new study that … The remaining 2 percent of Earth’s oxygen comes from other sources. The true answer is essentially none.

How much oxygen does Amazon rainforest produce? The Rainforest Concern believes that if we had no rainforests to recycle immense quantities of water – feeding lakes, rivers, and irrigation systems – droughts would occur more often than they do today.

of oxygen each year, according to the Growing Air Foundation, and 1 hectare (2.47 acres) of rainforest may contain over 750 …

For each 1C rise in temperature, tropical regions now release about 2 billion extra tonnes of …

But the amount of carbon dioxide they absorb, or produce, varies hugely with year-to-year variations in the climate. The exact figure is difficult to calculate because scientists do not know how much phytoplankton exists on Earth. Scientists believe phytoplankton in the Earth's oceans produce between 50 and 85 percent of the planet's oxygen.

Oxygen, is the most abundant chemical element on Earth.