Oceans

The seas and oceans connect all life on the planet. They account for more than seven tenths of the Earth’s surface, that’s 361 million square kilometers. They form a unique ecosystem and are home to countless animal and plant species: 80% of the Earth’s creatures live in the sea. The worldwide climatic balance is determined significantly by the oceans, because they fulfil an important task for the global material cycles such as the carbon cycle and the nitrogen cycle. The sea is the biggest converter of CO2, of which the algae produce two thirds of the Earth’s oxygen. You could certainly argue that two out of three breaths you take originate from the sea! And for more than a billion people marine creatures are the only source of protein.

In addition, the seas are the reservoir in which fresh water is continually purified by the salt and again brought into circulation. Only 2.6% of the global water supplies are available to human beings in the form of consumable fresh water.

The existence of the seas, the largest habitat on our planet, is threatened in many ways by the actions of humans. Massive pollution, extreme overfishing, thoughtless fishing methods, whaling and dolphin hunting, which today are still systematically practiced by several nations, are bringing thousands of threatened species to the brink of extinction. Specifically protecting the oceans and their inhabitants is therefore one of our most important concerns.

Practical tips for reducing the contamination of the oceans:
  • Every day be thankful for the water you have at your disposal.
  • Use environmentally safe washing and cleaning detergents for your laundry, dishes and for cleaning.
  • Choose foods from natural production in your locality, because the harmful substances used in conventional agriculture contaminate the waters and, in the end, the sea…  more
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Earth Day 2017 – Pictures of worldwide Activities

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