Cause And Effect Essay Animal Extinction

Guenter Mitlacher, director of international biodiversity policy at the World Wildlife Fund (WWF), said, "Ours is the first generation with the tools to see how the Earth has been changed by people at our own peril.We're also the last generation with the opportunity to influence the course of many of those changes.

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More extinctions reduces the planet's biodiversity and can have adverse affects for all life on Earth.

Hunting Many species have been hunted to extinction or to the point where they are critically endangered. There were millions of bison in the Great Plains of North America until the arrival of the Europeans.

These areas are so starved of oxygen they can barely support marine life.

Despite the ominous picture "it is not too late to make a difference, but only if we start now at every level from local to global," said Watson, adding that this would require an overhaul of economic systems and a shift in political and social mindsets.

"We need to act as stewards for life on Earth." In 2015, a third of marine stocks were being fished at unsustainable levels and the amount of raw timber being harvested has increased by almost half since 1970, with up to 15% of it cut illegally, according to the report.

Pollution entering coastal ecosystems has produced more than 400 ocean "dead zones," totalling an area bigger than the United Kingdom.

Back to Animals Species of animals or organisms are considered extinct when there are no more of them alive.

Animals that are classified as "endangered" are at risk of becoming extinct. This means that the only surviving members of the species live in captivity, like in a zoo. Today many animals are endangered or have become extinct due to the influence of humans.

The world's animal population has halved in 40 years as humans put unsustainable demands on Earth, according to a 2014 report from the World Wide Fund for Nature.

As humans move more into the mountain gorillas' territory, the gorillas have been pushed farther up into the mountains, forcing them to endure dangerous and sometimes deadly conditions, the WWF report on the planet says.

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