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Portal:Environment

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Welcome to the Environment Portal
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Introduction

A biophysical environment is a biotic and abiotic surrounding of an organism or population, and consequently includes the factors that have an influence in their survival, development, and evolution. A biophysical environment can vary in scale from microscopic to global in extent. It can also be subdivided according to its attributes. Examples include the marine environment, the atmospheric environment and the terrestrial environment. The number of biophysical environments is countless, given that each living organism has its own environment.

The term environment can refer to a singular global environment in relation to humanity, or a local biophysical environment, e.g. the UK's Environment Agency.

Selected article

Cyclone Catarina
A Tropical cyclone is a storm system characterized by a large low pressure center and numerous thunderstorms that produce strong winds and flooding rain. Tropical cyclones feed on heat released when moist air rises, resulting in condensation of water vapor contained in the moist air. They are fueled by a different heat mechanism than other cyclonic windstorms such as nor'easters, European windstorms, and polar lows, leading to their classification as "warm core" storm systems. Studies have shown that global warming may have increased the sea surface temperatures, which intensify the frequency and intensity of tropical cyclone.

The term "tropical" refers to both the geographic origin of these systems, which form almost exclusively in tropical regions of the globe, and their formation in Maritime Tropical air masses. The term "cyclone" refers to such storms' cyclonic nature, with counterclockwise rotation in the Northern Hemisphere and clockwise rotation in the Southern Hemisphere. Depending on its location and strength, a tropical cyclone is referred to by many other names, such as hurricane, typhoon, tropical storm, cyclonic storm, tropical depression, and simply cyclone.

Did you know...

  • ...that chlorofluorocarbons (CFCs) can cause ozone depletion, and the ozone hole needs to take more than a decade to recover?

Current events

News
    • August 9: New South Wales, Australia government says entire state in winter 2018 drought
    • June 24: India: Maharashtra plastic ban comes into force
    • June 9: New study of endangered whale shark youth shows vital habitat similarities
    • April 9: Woolworths, Australia moves single-use plastic bags ban date to June 20
...Environmental news at Wikinews

Selected biography

Donella "Dana" Meadows (March 13, 1941 Elgin, Illinois, USA - February 20, 2001, New Hampshire) was a pioneering American environmental scientist, teacher and writer. She is known as lead author of Limits to Growth, a 1972 book modelling the consequences of a rapidly growing world population and finite resource supplies.

Selected image

Mai Po Marshes serves as a stop for migrating birds.
Credit: Baycrest

Mai Po Marshes is a nature reserve in Hong Kong. It is managed by World Wide Fund for Nature. The marshes have an area of about 1800 acres and is listed as a Ramsar site under Ramsar Convention in 1995. It provides a conservation area for mammals, reptiles, insects, and over 350 kinds of birds (including Saunders's Gull and a quarter of world's Black-faced Spoonbill population). It also has inter-tidal mangroves along with 24 traditionally operated shrimp ponds (called Gei Wai locally) to provide food for the birds. It receives 40,000 visitors annually.

Selected organization

The World Wide Fund for Nature is an international non-governmental organization for the conservation, research and restoration of the natural environment, formerly named the World Wildlife Fund, which remains its official name in the United States and Canada. It is the world's largest independent conservation organization with over 5 million supporters worldwide, working in more than 90 countries, supporting 15,000 conservation and environmental projects around the world. It is the world's largest independent conservation organization with over 5 million supporters worldwide, working in more than 90 countries, supporting around 1300 conservation and environmental projects around the world. It is a charity, with approximately 60% of its funding coming from voluntary donations by private individuals. 45% of the fund's income comes from the United States, the United Kingdom, and the Netherlands.

The group says its mission is "to halt and reverse the destruction of our environment". Currently, much of its work focuses on the conservation of three biomes that contain most of the world's biodiversity: forests, freshwater ecosystems, and oceans and coasts. Among other issues, it is also concerned with endangered species, pollution and climate change.

Selected quote

David Suzuki
With the growing urgency of climate change, we cannot have it both ways. We cannot shout from the rooftops about the dangers of global warming and then turn around and shout even louder about the "dangers" of windmills.
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