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Momentum has since continued, with 40,000 young ambassadors spreading the message in over 100 countries. [20] In 2015, researcher Tom Crowther found that about 3 trillion trees exist in the world [21] and later it was also estimated that planting 1.2 trillion more trees would counteract 10 years of anthropogenic CO 2 emissions. [22]
This is a list of countries and territories of the world according to the total area covered by forests, based on data published by the Food and Agriculture Organization of the United Nations (FAO). In 2010, the world had 3.92 billion hectares (ha) of tree cover, extending over 30% of its land area. [1] [need quotation to verify]
Earth Optimism is a movement promoting a positive outlook towards problems related to environmental or climate issues. Earth Optimism provides an alternative narrative to mainstream environmental news by highlighting the potential for humans to positively impact the environment by making small changes at individual and community levels.
Trees account for more than a quarter of the species on the International Union for the Conservation of Nature's Red List. The number of threatened trees is more than double the number of ...
A country that consumes more than 1.73 gha per person has a resource demand that is not sustainable world-wide if every country were to exceed that consumption level simultaneously. Countries with a footprint below 1.73 gha per person might not be sustainable: the quality of the footprint may still lead to net long-term ecological destruction.
A country has an ecological reserve if its Ecological footprint is smaller than its biocapacity; otherwise it is operating with an ecological overshoot. The former are often referred to as ecological creditors, and the latter as ecological debtors. Today, most countries, and the world as a whole, are in ecological overshoot.
Russia has the largest forest area in the world, at 815 million hectares (a fifth of global forest cover). The other four countries all house more than 100 million hectares of forest each. The small African nation of Gabon, while only containing 0.58% of the world's forest cover, has the largest forest-to-land ratio of any country (91.3%). [4]
In 2020 the calculated overshoot day fell on 22 August (more than three weeks later than 2019) due to coronavirus-induced lockdowns around the world. [8] The president of the Global Footprint Network claims that the COVID-19 pandemic by itself is one of the manifestations of "ecological imbalance".