Types of Green Tech 

Green technology is a broad category that encompasses several forms of environmental remediation. While climate change and carbon emissions are now considered among the most pressing global issues, there are also many efforts to address local environmental hazards. Some seek to protect specific ecosystems or endangered species. Others seek to conserve scarce natural resources by finding more sustainable alternatives.


 

History

While green tech has become increasingly popular in the modern age, elements of these business practices have been in use since the Industrial Revolution. Beginning in the early 19th century, scientists began to observe the ecological impacts of coal-burning industrial plants, and manufacturers have sought to reduce their negative environmental externalities by altering production processes to produce less soot or waste byproducts. In the United States, one of the most important milestones was World War II. In order to reduce consumption and waste, more than 400,000 volunteers began collecting metal, paper, rubber, and other materials for the war effort.2 Following the war, scientists like Rachel Carson began warning of the consequences of chemical pesticides, while doctors abroad reported mysterious illnesses associated with nuclear radiation.

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Reference : https://www.investopedia.com/terms/g/green_tech.asp

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Alternative energy

In order to provide a viable alternative to fossil fuels, many businesses are seeking to engineer alternative sources of energy that do not generate atmospheric carbon. Solar and wind power are now among the most inexpensive sources of energy, and solar panels are affordable to U.S. homeowners at a consumer scale.78 Other alternatives, such as geothermal and tidal energy, have yet to be deployed at scale.