When.com Web Search

  1. Ad

    related to: how have humans impacted earth

Search results

  1. Results From The WOW.Com Content Network
  2. Human impact on the environment - Wikipedia

    en.wikipedia.org/wiki/Human_impact_on_the...

    A May 2018 study published in PNAS found that 83% of wild mammals, 80% of marine mammals, 50% of plants and 15% of fish have been lost since the dawn of human civilization. Currently, livestock make up 60% of the biomass of all mammals on earth, followed by humans (36%) and wild mammals (4%). [29]

  3. Effects of climate change - Wikipedia

    en.wikipedia.org/wiki/Effects_of_climate_change

    Some climate change effects: wildfire caused by heat and dryness, bleached coral caused by ocean acidification and heating, environmental migration caused by desertification, and coastal flooding caused by storms and sea level rise. Effects of climate change are well documented and growing for Earth's natural environment and human societies. Changes to the climate system include an overall ...

  4. Anthropocene - Wikipedia

    en.wikipedia.org/wiki/Anthropocene

    The impacts of humans affect Earth's oceans, geology, geomorphology, landscape, limnology, hydrology, ecosystems and climate. [2] [3] The effects of human activities on Earth can be seen for example in biodiversity loss and climate change.

  5. Humans' impact on the earth began a new epoch in the 1950s ...

    www.aol.com/news/scientists-now-epoch-anthropoc...

    From climate change to species loss and pollution, humans have etched their impact on the Earth with such strength and permanence since the middle of the 20th century that a special team of ...

  6. Environmental history - Wikipedia

    en.wikipedia.org/wiki/Environmental_history

    The first, nature itself and its change over time, includes the physical impact of humans on the Earth's land, water, atmosphere and biosphere. The second category, how humans use nature, includes the environmental consequences of increasing population, more effective technology and changing patterns of production and consumption.

  7. History of climate change science - Wikipedia

    en.wikipedia.org/wiki/History_of_climate_change...

    From ancient times, people suspected that the climate of a region could change over the course of centuries. For example, Theophrastus, a pupil of Ancient Greek philosopher Aristotle in the 4th century BC, told how the draining of marshes had made a particular locality more susceptible to freezing, and speculated that lands became warmer when the clearing of forests exposed them to sunlight.

  8. Climate change - Wikipedia

    en.wikipedia.org/wiki/Climate_change

    Around 30% of Earth's land area is largely unusable for humans (glaciers, deserts, etc.), 26% is forests, 10% is shrubland and 34% is agricultural land. [125] Deforestation is the main land use change contributor to global warming, [ 126 ] as the destroyed trees release CO 2 , and are not replaced by new trees, removing that carbon sink . [ 127 ]

  9. List of extinction events - Wikipedia

    en.wikipedia.org/wiki/List_of_extinction_events

    Large igneous province (LIP) eruptions [23] from the Siberian Traps, [24] an impact event (the Wilkes Land Crater), [25] an Anoxic event, [26] an Ice age, [27] or other possible causes End-Capitanian extinction event: 260 Ma: Volcanism from the Emeishan Traps, [28] resulting in global cooling and other effects Olson's Extinction: 270 Ma Unknown.