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  2. Effects of climate change on the tropics - Wikipedia

    en.wikipedia.org/wiki/Effects_of_climate_change...

    Climate change effects on tropical regions includes changes in marine ecosystems, human livelihoods, biodiversity, degradation of tropical rainforests and effects the environmental stability in these areas. Climate change is characterized by alterations in temperature, precipitation patterns, and extreme weather events.

  3. Human impact on the environment - Wikipedia

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

    Water pollution (or aquatic pollution) is the contamination of water bodies, with a negative impact on their uses. [153]: 6 It is usually a result of human activities. Water bodies include lakes, rivers, oceans, aquifers, reservoirs and groundwater. Water pollution results when contaminants mix with these water bodies. Contaminants can come ...

  4. Effects of climate change on the water cycle - Wikipedia

    en.wikipedia.org/wiki/Effects_of_climate_change...

    The human-caused changes to the water cycle will increase hydrologic variability and therefore have a profound impact on the water sector and investment decisions. [9] They will affect water availability (water resources), water supply, water demand, water security and water allocation at regional, basin, and local levels. [9]

  5. Amazon River falls to lowest in over a century amid Brazil ...

    www.aol.com/news/amazon-rainforest-port-records...

    MANAUS, Brazil (Reuters) -The Amazon River fell to its lowest level in over a century on Monday at the heart of the Brazilian rainforest as a record drought upends the lives of hundreds of ...

  6. Human impact on river systems - Wikipedia

    en.wikipedia.org/wiki/Human_impact_on_river_systems

    Water pollution occurs when water bodies, such as rivers, lakes and oceans are contaminated with harmful substances. These substances degrade the water quality and are toxic to humans as consumers and to the environment. [7] The contamination in a river can come from a point source or non-point source pollution. [8]

  7. Tipping points in the climate system - Wikipedia

    en.wikipedia.org/wiki/Tipping_points_in_the...

    If tipping points are crossed, they are likely to have severe impacts on human society and may accelerate global warming. [ 4 ] [ 5 ] Tipping behavior is found across the climate system, for example in ice sheets , mountain glaciers , circulation patterns in the ocean , in ecosystems , and the atmosphere. [ 5 ]

  8. Deforestation and climate change - Wikipedia

    en.wikipedia.org/wiki/Deforestation_and_climate...

    Deforestation, particularly in large swaths of the Amazon, where nearly 20% of the rainforest has been clear cut, has climactic effects and effects on water sources as well as on the soil. [ 32 ] [ 33 ] Moreover, the type of land usage after deforestation also produces varied results.

  9. Deforestation in Brazil - Wikipedia

    en.wikipedia.org/wiki/Deforestation_in_Brazil

    The rainforest provides much of the rainfall in Brazil, even in areas far from it. Deforestation increased the impacts of the droughts of 2005, 2010, and 2015–2016. [86] [87] The rainforest, by inducing rainfall and helping with water storage, provides freshwater to the rivers that give water to Brazil and other countries. [88] [89]