Waste Management has made investments to put the waste we manage to reuse. In some case, that means recycling, while in other cases that means creating energy. At about 130 disposal sites, we use naturally-occurring landfill gas to power homes and businesses. Just recently, we even developed the technology to convert landfill gas into a fuel our fleet vehicles can run on. Using landfills, It has produce over 550 megawatts of electricity, which is enough to power more than 440,000 homes. This amount of energy is equivalent to offsetting over 2.2 million tons of coal per year.

It is a powerfully knowledge based field, originally growing from uranology and natural science, however that currently incorporates several disciplines, as well as planetary earth science (together with chemical science and geophysics), Cosmo-chemistry, region science, earth science, hydrology, theoretical planetary science, glaciology and Exo-planetology. Allied disciplines embrace area physics, once involved with the consequences the sun on the bodies of the scheme, and biology.

Cosmo-chemistry is a broad category which include-Astrobiology, Astronomy, Astrophysics and all the recent advancement in these all sections of study. Meteorites are the most important tools used by the Cosmo-chemists for studying the chemical nature of the solar system.

The traditional division within the region sciences has been between meteorology and climatology. The previous has traditionally centred on foretelling whereas the latter has self-addressed longer term trends and variability.

Space Physics encompasses a far ranging variety of topics, like heliophysics which incorporates the astronomy of the sun: the solar radiation, planetary magnetospheres and ionospheres, auroras, cosmic rays, and cyclotron radiation. Astrobiology makes use of biology, biophysics, organic chemistry, chemistry, astronomy, physical cosmology, Exo-planetology and earth science to analyse the likelihood of life on alternative worlds and facilitate acknowledge biospheres that may vary from that on earth.

Scientists are creating a need for the growing depth of environmental problems with drastic, immense training in environmental science. Scientist and professionals in environmental science use their knowledge of basic sciences in protecting the environment and human health. All these members should have knowledge in sociology, political science and also economics. It let you recognise the environmental problem such as ozone layer depletion, acid rain, climatic change, global warming and impacts on marine life as well.

The dealing with the physical constituents of earth and its atmosphere and the study of planets physical characters from floods to fossil and earthquakes to rain drops. It is also considered to be a branch of planetary science earth science encompasses four main branches of study, the lithosphere, biosphere, hydrosphere and atmosphere. Sedimentology, stratigraphy, structural geology, geophysics, petrology, geochemistry, geomorphology, hydrogeology, mineralogy remote sensing and planet geology, environment geology is the new geological insights.