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These changes impact ecosystems and societies, and can become irreversible once tipping points are crossed. Climate activists are engaged in a range of activities around the world that seek to ameliorate these issues or prevent them from happening. [163] The effects of climate change vary in timing and location.
Human activities affect marine life and marine habitats through overfishing, habitat loss, the introduction of invasive species, ocean pollution, ocean acidification and ocean warming. These impact marine ecosystems and food webs and may result in consequences as yet unrecognised for the biodiversity and continuation of marine life forms. [3]
Climate change is altering the geographic range and seasonality of some insects that can carry diseases, for example Aedes aegypti, the mosquito that is the vector for dengue transmission. Global climate change has increased the occurrence of some infectious diseases. Infectious diseases whose transmission is impacted by climate change include, for example, vector-borne diseases like dengue ...
An additional aspect to consider is the detrimental impact climate change can have on green or blue natural spaces, which have been proven to have beneficial impact on mental health. [ 162 ] [ 163 ] Impacts of anthropogenic climate change, such as freshwater pollution or deforestation , degrade these landscapes and reduce public access to them ...
Examples of these include changes in the concentrations of greenhouse gases, solar luminosity, volcanic eruptions, and variations in the Earth's orbit around the Sun. [98] To determine the human contribution to climate change, unique "fingerprints" for all potential causes are developed and compared with both observed patterns and known ...
Further, these issues can be caused by humans (human impact on the environment) [2] or they can be natural. These issues are considered serious when the ecosystem cannot recover in the present situation, and catastrophic if the ecosystem is projected to certainly collapse.
This is an alphabetical list of environmental issues, harmful aspects of human activity on the biophysical environment. They are loosely divided into causes, effects and mitigation, noting that effects are interconnected and can cause new effects.
These reasons have the name sustainability barriers. [15] [80] Before addressing these barriers it is important to analyze and understand them. [15]: 34 Some barriers arise from nature and its complexity ("everything is related"). [81] Others arise from the human condition. One example is the value-action gap. This reflects the fact that people ...