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The health and environmental impact of transport is significant because transport burns most of the world's petroleum.This causes illness and deaths from air pollution, including nitrous oxides and particulates, and is a significant cause of climate change through emission of carbon dioxide.
Noise pollution is a factor of environmental degradation that is often overlooked and typically seen as not having a significant effect, though traffic noise can contribute to numerous disturbances for wildlife. An increasing number of studies have been done on the effects of noise on wildlife.
Global human-caused greenhouse gas emissions in 2019 were equivalent to 59 billion tonnes of CO 2. Of these emissions, 75% was CO 2, 18% was methane, 4% was nitrous oxide, and 2% was fluorinated gases. [111] CO 2 emissions primarily come from burning fossil fuels to provide energy for transport, manufacturing, heating, and electricity. [5]
Additionally, as car tires wear down, they shed the materials they are made of into the air as particulate pollution. [10] Those pollutants are known to cause various respiratory and other health issues and cars are among the leading cause of smog in modern developed world cities. External costs which can arise from using cars and trucks in ...
With primary causes being warming ocean waters, ocean acidity, and pollution. [149] In 2008, a worldwide study estimated that 19% of the existing area of coral reefs had already been lost. [ 150 ] Only 46% of the world's reefs could be currently regarded as in good health [ 150 ] and about 60% of the world's reefs may be at risk due to ...
To evaluate how traffic air pollution affects people, the researchers sent people on two-hour trips along Seattle thoroughfares, including Interstate 5. The vehicle was equipped with a more ...
This has led to increases in mean global temperature, or global warming. The likely range of human-induced surface-level air warming by 2010–2019 compared to levels in 1850–1900 is 0.8 °C to 1.3 °C, with a best estimate of 1.07 °C. This is close to the observed overall warming during that time of 0.9 °C to 1.2 °C.
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.