Health

Health is the general condition of a person in all aspects. It is also a level of functional and/or metabolic efficiency of an organism, often implicitly human. [...]

Global Warming

Global warming is the increase in the average temperature of the planet Earth’s near-surface air and oceans since the mid-20th century and its projected continuation. [...]

natural environment

The natural environment encompasses all living and non-living things occurring naturally on Earth or some region thereof.
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