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Pollution is the introduction of contaminants into the natural environment that cause harm. [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 contaminants.
Human activities have substantial impact on coral reefs, contributing to their worldwide decline. [147] Damaging activities encompass coral mining, pollution (both organic and non-organic), overfishing, blast fishing, as well as the excavation of canals and access points to islands and bays.
Air pollution can occur naturally or be caused by human activities. [3] Air pollution causes around 7 or 8 million deaths each year. [4] [5] It is a significant risk factor for a number of pollution-related diseases, including heart disease, stroke, chronic obstructive pulmonary disease (COPD), asthma and lung cancer.
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 .
Environmental monitoring is the processes and activities that are done to characterize and describe the state of the environment. It is used in the preparation of environmental impact assessments, and in many circumstances in which human activities may cause harmful effects on the natural environment. Monitoring strategies and programs are ...
[3] Environment destruction caused by humans is a global, ongoing problem. [4] Water pollution also cause problems to marine life. [5] Some scholars believe that the projected peak global population of roughly 9-10 billion people could live sustainably within the earth's ecosystems if humans worked to live sustainably within planetary boundaries.
Anthropogenic noise, originating from human activities, has increased underwater noise in the natural sound environment of the reefs. [86] The preeminent sources of noise pollution on coral reefs are boat and ship activities. [87] The sound created by the crossing of boats and ships overlaps with the natural sounds of the coral reef organisms.
Delivery vans and trucks average about 7.8 mpg (or 1.3 kg of CO 2 per mile) while big rigs average about 5.3 mpg (or 1.92 kg of CO 2 per mile). [ 31 ] Ballast water discharge from other sides of the world cause a certain type of pollution different from an emission type pollution as it introduces invasive species that can cause domestic species ...
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