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  2. Climate change - Wikipedia

    en.wikipedia.org/wiki/Climate_change

    [310] [311] Hydropower growth is limited by the fact that the best sites have been developed, and new projects are confronting increased social and environmental concerns. [312] Low-carbon energy improves human health by minimizing climate change as well as reducing air pollution deaths, [313] which were estimated at 7 million annually in 2016 ...

  3. Ecosystem - Wikipedia

    en.wikipedia.org/wiki/Ecosystem

    e. An ecosystem (or ecological system) is a system that environments and their organisms form through their interaction. [2]: 458 The biotic and abiotic components are linked together through nutrient cycles and energy flows. Ecosystems are controlled by external and internal factors. External factors such as climate, parent material which ...

  4. Photosynthesis - Wikipedia

    en.wikipedia.org/wiki/Photosynthesis

    Photosynthesis (/ ˌfoʊtəˈsɪnθəsɪs / FOH-tə-SINTH-ə-sis) [1] is a system of biological processes by which photosynthetic organisms, such as most plants, algae, and cyanobacteria, convert light energy, typically from sunlight, into the chemical energy necessary to fuel their metabolism.

  5. Human impact on the environment - Wikipedia

    en.wikipedia.org/.../Human_impact_on_the_environment

    Society portal. v. t. e. Human impact on the environment (or anthropogenic environmental impact) refers to changes to biophysical environments [1] and to ecosystems, biodiversity, and natural resources [2] caused directly or indirectly by humans. Modifying the environment to fit the needs of society (as in the built environment) is causing ...

  6. Vegetative reproduction - Wikipedia

    en.wikipedia.org/wiki/Vegetative_reproduction

    Vegetative reproduction. Production of new individuals along a leaf margin of the air plant, Kalanchoe pinnata. The small plant in front is about 1 cm tall. The concept of "individual" is stretched by this process. Kalanchoe daigremontiana produces plantlets along the margins of its leaves. When they are mature enough, they drop off and root in ...

  7. Environmental issues - Wikipedia

    en.wikipedia.org/wiki/Environmental_issues

    Water pollution is an environmental issue that affects many water bodies. This photograph shows foam on the New River as it enters the United States from Mexico. Environmental issues are disruptions in the usual function of ecosystems. [1] Further, these issues can be caused by humans (human impact on the environment) [2] or they can be natural ...

  8. 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.

  9. Environmental philosophy - Wikipedia

    en.wikipedia.org/wiki/Environmental_philosophy

    Modern issues within environmental philosophy include but are not restricted to the concerns of environmental activism, questions raised by science and technology, environmental justice, and climate change. These include issues related to the depletion of finite resources and other harmful and permanent effects brought on to the environment by ...

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    environment question and answer