Twenty-five years after global scientists issued a
"warning to humanity" about dangers to the environment, a new update
released says most of the planet's problems are getting "far worse."
More than 15,000 global scientists from 184 countries signed on
to the letter, called the "World Scientists' Warning to Humanity: A Second
Notice," published in the journal Bio-Science.
The initial version, released in 1992 by the Union of Concerned
Scientists, was signed by 1,700 experts.
Since then, nearly all major threats to the environment have
grown more dire, particularly the booming world population, which has added two
billion people since 1992, a 35 percent increase, according to the update.
Other key threats are global warming and the ever-mounting
carbon emissions driven by fossil fuel use, as well as unsustainable farming
practices, deforestation, lack of fresh water, loss of marine life and growing
ocean dead zones.
Humanity is now being given a second notice, as illustrated by
these alarming trends.
"We are jeopardizing our future by not reining in our
intense but geographically and demographically uneven material consumption and
by not perceiving continued rapid population growth as a primary driver behind
many ecological and even societal threats,"
Scientists noted it is "especially troubling" that
the world continues on a path toward "potentially catastrophic climate
change due to rising greenhouse gases from burning fossil fuels."
Animals are suffering as a result of human activities, and are
disappearing at an unprecedented pace.
We have unleashed a mass extinction event, the sixth in roughly
540 million years, wherein many current life forms could be annihilated or at
least committed to extinction by the end of this century.
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