- Domeniu: Government
- Number of terms: 11955
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U.S. Environmental Protection Agency (EPA) is a federal agency responsible for the development and enforcement of regulations for human health and environment protection. The agency researches and sets standards for environmental programs and delegates. It was founded in 1970 following the proposal ...
Adjustment or preparation of natural or human systems to a new or changing environment which moderates harm or exploits beneficial opportunities.
Industry:Natural environment
Severe flood levels with a one-in-100 likelihood of occurring in any given year.
Industry:Natural environment
A multi-year surplus accumulation of snowfall in excess of snowmelt on land and resulting in a mass of ice at least 0.1 km2 in area that shows some evidence of movement in response to gravity. A glacier may terminate on land or in water. Glacier ice is the largest reservoir of fresh water on Earth, and second only to the oceans as the largest reservoir of total water. Glaciers are found on every continent except Australia.
Industry:Natural environment
Αφαίρεσης επιφανειακού εδάφους, η άμμος, και ανόργανα στοιχεία που πλένονται από τη γη στο νερό, συνήθως μετά από βροχή ή χιόνι λιώσει. Ιζήματα τη συλλογή σε ποτάμια, ταμιευτήρες και λιμάνια μπορεί να καταστροφή των οικοτόπων, των ιχθύων και άγριας ζωής και σύννεφο στο νερό, έτσι ώστε η ηλιακή ακτινοβολία δεν μπορούν να φτάσουν υδροχαρή φυτά. Απώλεια αφαίρεσης επιφανειακού εδάφους από τη γεωργία, εξόρυξη, ή του κτιρίου δραστηριότητες μπορούν να προληφθούν μέσα από μια ποικιλία από τεχνικές ελέγχου της διάβρωσης.
Industry:Agricultural chemicals
The wobble over thousands of years of the tilt of the Earths axis with respect to the plane of the solar system.
Industry:Natural environment
The combined process of evaporation from the Earth's surface and transpiration from vegetation.
Industry:Natural environment
A group of chemicals composed of carbon and fluorine only. These chemicals (predominantly CF4 and C2F6) were introduced as alternatives, along with hydrofluorocarbons, to the ozone depleting substances. In addition, PFCs are emitted as by-products of industrial processes and are also used in manufacturing. PFCs do not harm the stratospheric ozone layer, but they are powerful greenhouse gases: CF4 has a global warming potential (GWP) of 7,390 and C2F6 has a GWP of 12,200. The GWP is from the IPCC's Fourth Assessment Report (AR4). These chemicals are predominantly human-made, though there is a small natural source of CF4.
Industry:Natural environment
A global, three-dimensional computer model of the climate system which can be used to simulate human-induced climate change. GCMs are highly complex and they represent the effects of such factors as reflective and absorptive properties of atmospheric water vapor, greenhouse gas concentrations, clouds, annual and daily solar heating, ocean temperatures and ice boundaries. The most recent GCMs include global representations of the atmosphere, oceans, and land surface.
Industry:Natural environment
A quantitative way of representing the interactions of the atmosphere, oceans, land surface, and ice. Models can range from relatively simple to quite comprehensive.
Industry:Natural environment
Ένα κανάλι ή αγωγό που μεταφέρει λυμάτων και ομβρίων νερών στα ύδατα φυτικής ή παραλαβή μιας θεραπείας. «Υγιεινής» υπονόμους μεταφέρουν οικιακών, βιομηχανικών και εμπορικών αποβλήτων. «Θύελλα» υπονόμους μεταφέρουν απορροών από τη βροχή ή χιόνι.
Industry:Agricultural chemicals
