Humans and other animals rely on other forms of life on land for food, clean air, clean water, and as a means of combatting climate change. Plant life makes up 80% of the human diet. Forests, which cover 30% of the Earth’s surface, help keep the air and water clean and the Earth’s climate in balance. That’s not to mention they’re home to millions of animal species. But the land and life on it are in trouble. Arable land is disappearing 30 to 35 times faster than it has historically. Deserts are spreading. Animal breeds are going extinct. We can turn these trends around. Fortunately, the Sustainable Development Goals aim to conserve and restore the use of terrestrial ecosystems such as forests, wetlands, drylands and mountains by 2020.
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