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Pollution is the introduction of contaminants into the natural environment that cause adverse change. [1] Pollution can take the form of any substance (solid, liquid, or gas) or energy (such as radioactivity, heat, sound, or light). Pollutants, the components of pollution, can be either foreign substances/energies or naturally occurring ...
The world's worst short-term civilian pollution crisis was the 1984 Bhopal Disaster in India. [256] Leaked industrial vapours from the Union Carbide factory, belonging to Union Carbide, Inc., U.S.A. (later bought by Dow Chemical Company), killed at least 3787 people and injured from 150,000 to 600,000.
Water pollution (or aquatic pollution) is the contamination of water bodies, with a negative impact on their uses. [1]: 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 from ...
Houston — Donna Thomas is a pollution warrior in Houston, Texas. She wears a mask because she believes a lifetime of breathing polluted air in her community contributed to a stroke four years ago.
Plastic pollution has also greatly negatively affected our environment. "The pollution is significant and widespread, with plastic debris found on even the most remote coastal areas and in every marine habitat". [77] This information tells us about how much of a consequential change plastic pollution has made on the ocean and even the coasts.
Levels of air pollution rose during the Industrial Revolution, sparking the first modern environmental laws to be passed in the mid-19th century. The environmental movement (sometimes referred to as the ecology movement) is a social movement that aims to protect the natural world from harmful environmental practices in order to create ...
Exposure to these pollutants can lead to various health problems, from short-term symptoms like headaches and temporary nervous system effects (e.g., "metal fume fever") to serious long-term risks such as cancer and early death. [1] Pollution from U.S. manufacturing has declined massively since 1990 (despite an increase in production).
Looking down from the Hollywood Hills, with Griffith Observatory on the hill in the foreground, air pollution is visible in downtown Los Angeles on a late afternoon.. Air pollution is the introduction of chemicals, particulate matter, or biological materials into the atmosphere that cause harm or discomfort to humans or other living organisms, or damage ecosystems.