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  2. Ecosystem - Wikipedia

    en.wikipedia.org/wiki/Ecosystem

    Ecosystem ecology is the "study of the interactions between organisms and their environment as an integrated system". [ 2 ] : 458 The size of ecosystems can range up to ten orders of magnitude , from the surface layers of rocks to the surface of the planet.

  3. Natural environment - Wikipedia

    en.wikipedia.org/wiki/Natural_environment

    These scientists are increasingly concerned about the potential long-term effects of global warming on our natural environment and on the planet. Of particular concern is how climate change and global warming caused by anthropogenic , or human-made releases of greenhouse gases , most notably carbon dioxide , can act interactively and have ...

  4. Natural resource - Wikipedia

    en.wikipedia.org/wiki/Natural_resource

    Natural resources may be classified in different ways. Natural resources are materials and components (something that can be used) found within the environment. Every man-made product is composed of natural resources (at its fundamental level).

  5. Environmental issues - Wikipedia

    en.wikipedia.org/wiki/Environmental_issues

    Environmental protection is the practice of protecting the natural environment on the individual, organizational or governmental levels, for the benefit of both the environment and humans. Environmentalism is a social and environmental movement that addresses environmental issues through advocacy, legislation education, and activism.

  6. Human impact on the environment - Wikipedia

    en.wikipedia.org/.../Human_impact_on_the_environment

    Modifying the environment to fit the needs of society (as in the built environment) is causing severe effects [3] [4] including global warming, [1] [5] [6] environmental degradation [1] (such as ocean acidification [1] [7]), mass extinction and biodiversity loss, [8] [9] [10] ecological crisis, and ecological collapse.

  7. Terrestrial ecosystem - Wikipedia

    en.wikipedia.org/wiki/Terrestrial_ecosystem

    Terrestrial ecosystems occupy 55,660,000 mi 2 (144,150,000 km 2), or 28.26% of Earth's surface. [5] Major plant taxa in terrestrial ecosystems are members of the division Magnoliophyta (flowering plants), of which there are about 275,000 species, and the division Pinophyta (conifers), of which there are about 500 species.

  8. Environmental protection - Wikipedia

    en.wikipedia.org/wiki/Environmental_protection

    Environmental protection, or environment protection, is the practice of protecting the natural environment by individuals, groups and governments. [1] Its objectives are to conserve natural resources and the existing natural environment and, where it is possible, to repair damage and reverse trends.

  9. Environmental science - Wikipedia

    en.wikipedia.org/wiki/Environmental_science

    Environmental science is an interdisciplinary academic field that integrates physics, biology, meteorology, mathematics and geography (including ecology, chemistry, plant science, zoology, mineralogy, oceanography, limnology, soil science, geology and physical geography, and atmospheric science) to the study of the environment, and the solution of environmental problems.