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The natural environment or natural world encompasses all biotic and abiotic things occurring naturally, meaning in this case not artificial. The term is most often applied to Earth or some parts of Earth. This environment encompasses the interaction of all living species, climate, weather and natural resources that affect human survival and economic activity. The concept of the natural environment can be distinguished as components:
Complete ecological units that function as natural systems without massive civilized human intervention, including all vegetation, microorganisms, soil, rocks, plateaus, mountains, the atmosphere and natural phenomena that occur within their boundaries and their nature.
In contrast to the natural environment is the built environment. Built environments are those in which humans have fundamentally transformed landscapes such as in urban settings and agricultural land conversion. Even in acts that seem less extreme, such as building a mud hut or a photovoltaic system in the desert, the modified environment is considered artificial. Though many animals build things to provide a better environment for themselves, they are not human; hence beaver dams and the works of mound-building termites are considered natural.
There are no absolutely natural environments on Earth. Naturalness usually varies in a continuum, from 100% natural in one extreme to 0% natural in the other. The massive environmental changes of humanity in the Anthropocene have fundamentally affected all natural environments including: climate change, biodiversity loss and pollution from plastic and other chemicals in the air and water. More precisely, considering the different aspects or components of an environment, it becomes apparent that their degree of naturalness is not uniform. For instance, in an agricultural field, the mineralogic composition is quite similar to that of undisturbed forest soil while the structure is quite different. (Full article...)
The term anthropogenic designates an effect or object resulting from human activity. The term was first used in the technical sense by Russian geologist Alexey Pavlov, and it was first used in English by British ecologist Arthur Tansley in reference to human influences on climax plant communities. The atmospheric scientist Paul Crutzen introduced the term "Anthropocene" in the mid-1970s. The term is sometimes used in the context of pollution produced from human activity since the start of the Agricultural Revolution but also applies broadly to all major human impacts on the environment. Many of the actions taken by humans that contribute to a heated environment stem from the burning of fossil fuel from a variety of sources, such as electricity, cars, planes, space heating, manufacturing, or the destruction of forests. (Full article...)
... that Ellen Bernstein was called the "birthmother of Jewish environmentalism"?
... that German social media personality Maya Leinenbach became vegan after completing a school project on the influence of nutrition and consumption on the environment?
... that every in-game environment and asset in Lego Horizon Adventures was constructed entirely from individual digital Lego bricks, meaning that they could theoretically be built in real life?
The passenger pigeon was a species of pigeon that was once the most common bird in North America. It is estimated that there were as many as five billion passenger pigeons in the United States at the time Europeans colonized North America. They lived in enormous flocks, and during migration, one could see flocks of them a mile (1.6 km) wide and 300 miles (500 km) long, taking several days to pass and probably containing two billion birds. The species had not been common in the Pre-Columbian period, until the devastation of the American Indian population by European diseases.
Over the 19th century, the species went from being one of the most abundant birds in the world to extinction. At the time, passenger pigeons had one of the largest groups or flocks of any animal, second to only the desert locust.
Some decimation in numbers occurred as a result of loss of habitat, when the Europeans started settling further inland. However, the primary factor emerged when pigeon meat was commercialized as a cheap food for slaves and the poor in the 19th century, resulting in hunting on a massive scale. There was a slow decline in their numbers between about 1800 and 1870, followed by a catastrophic decline between 1870 and 1890, at the end of which they were rare and beyond the point of recovery. 'Martha', thought to be the world's last passenger pigeon, died on September 1, 1914 in Cincinnati.
Awaaz Foundation (meaning "the organisation against sound" – "Awaaz" means "sound" in Urdu) is a charitable trust and non-governmental organisation in Mumbai, India, which builds awareness, carries out advocacy, and is involved in educational projects to protect the environment and prevent environmental pollution. It has impacted many important decisions by the government and influenced policy making in important environmental matters in India. The beneficiaries of the Foundation are the citizens of India at large.
Awaaz Foundation was founded on 21 February 2006 by Sumaira Abdulali, a well-known environmentalist, who has exposed many scandals of environmental villainy in India at personal risk. The Foundation has filed several public interest litigations, including demands for strict implementation of noise pollution laws, better functioning of Mumbai's Tree Authority, reducing noise pollution, banning sale of tobacco to minors, efforts to counter the politically sponsored sand mining mafia and recognition of the biodiverse Sawantwadi-Dodamarg wildlife corridor as an ecologically sensitive area. (Full article...)
Image 6Cattails indicate the presence of phosphorus in the water. Cattails are an invasive species; they crowd out sawgrass and grow too thick to allow nesting for birds and alligators. (from Restoration of the Everglades)
Image 8A false color composite of the greater Boston area, created using remote sensing technology, reveals otherwise not visible characteristics about the land cover and the health of the surrounding ecosystems. (from Environmental science)
Image 9Blue Marble composite images generated by NASA in 2001 (left) and 2002 (right) (from Environmental science)
Image 11Biodiversity of a coral reef. Corals adapt and modify their environment by forming calcium carbonate skeletons. This provides growing conditions for future generations and forms a habitat for many other species. (from Environmental science)
Image 12View of Earth, taken in 1972 by the Apollo 17 crew. Approximately 71% of Earth's surface (an area of some 361 million square kilometers) consists of ocean (from Ecoregion)
Image 13Terrestrial Ecoregions of the World (Olson et al. 2001, BioScience) (from Ecoregion)
Image 15Compartments established by C&SF projects that separated the historic Everglades into Water Conservation Areas and the Everglades Agricultural Area. One-fourth of the original Everglades is preserved in Everglades National Park. (from Restoration of the Everglades)
Image 22Summary of a machine learning-based analysis of the global literature on climate change and human health (from Environmental science)
Image 23Environmental science is the academic discipline with the largest change in the number of works per year in OpenAlex after one decade compared to the output in 2015. A 2025 study found that for 1365 identified papers about environmental degradation, the annual number of papers increased tenfold between 2016 to 2022 A similar study found articles related to the carbon footprint of economic growth surged after 2017 (from Environmental science)
Image 25Aerial view of stormwater treatment areas in the northern Everglades bordered by sugarcane fields on the right (from Restoration of the Everglades)
Image 26Global oceanic and terrestrial phototroph abundance, from September 1997 to August 2000. As an estimate of autotroph biomass, it is only a rough indicator of primary production potential and not an actual estimate of it. (from Ecosystem)
Image 28Funding for climate change research in the natural and technical sciences compared to that in the social sciences and humanities according to the study "The misallocation of climate research funding" (from Environmental science)
Image 29Proportion of forest area by forest area density class and global ecological zone, 2015, from Food and Agriculture Organization publication The State of the World's Forests 2020. Forests, biodiversity and people – In brief (from Ecoregion)
Image 34Loch Lomond in Scotland forms a relatively isolated ecosystem. The fish community of this lake has remained stable over a long period until a number of introductions in the 1970s restructured its food web. (from Ecosystem)
Image 36The Paris Agreement (formerly the Kyoto Protocol) is adopted in 2016. Nearly every country in the United Nations has signed the treaty, which aims to reduce greenhouse gas emissions. (from Environmental science)
Image 38Few creatures make the ice shelves of Antarctica their habitat, but water beneath the ice can provide habitat for multiple species. Animals such as penguins have adapted to live in very cold conditions. (from Habitat)
... that rivers have been classified by many criteria, including their topography, their biotic status and their relevance to white water rafting and canoeing activities?
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