-
human population hit 1 billion
-
California droughts
Droughts cause public health and safety impacts, economic and environmental impacts. Public health and safety are associated with catastrophic wildfire risks and drinking water shortage risks for small water systems in rural areas and private residential wells. Other impacts include costs to homeowners due to loss of residential landscaping, degradation of urban environments due to loss of landscaping, agriculture land fallowing and associated job loss, and degradation of fish habitats. -
human population hit 2 billion
-
Minamata disaster
Minamata Disaster is a disease caused by severe mercury poisoning and it affects many people. The disease was discovered in Minamata, Japan. People were eating shellfish and fish when they ate it, it resulted in mercury poisoning which led to death of humans and pets which continued for years. The Japanese did little to prevent this. -
human population hit 3 billion
-
Rachel Carson’s Silent Spring
Environmental harm caused by judgment she accused the chemical industry of spreading false information deliberately to deceive people and public officials of accepting the industry’s marketing claims unquestioningly. -
US river fires
The fire took place in Cleveland Ohio. Heavy industries control this section of the river, railroad bridges near republic steel trapped debris in the river causing it to build up and pile up. Oil on the water added to flammability and a flare thrown from a train caused the spark that ignited the debris. The fire lasted for less than a half hour and resulted in minor damage to the railroad bridges. -
The clean air act
A federal law that regulates air emissions from stationary and mobile resources, one of the goals was to set and achieve NAAQS in every state by 1975 to address the public health and welfare risks posed by certain widespread air pollutants. -
Stockholm Conference
the United Nations conference on the human environment in Stockholm was the first world conference to make the environment a major issue. The participants adopted a series of principles for sound management of the environment. -
Endangered Species Act
The endangered species act protects fish, plants, and endangered species. The congress finds and declares that various species including wildlife are endangered and are depleted in numbers because they are in danger or threatened from extinction because of economic growth, the results were protecting the wildlife and environment. -
human population hit 4 billion
-
Love Canal
Love canal was meant to be a dream community where people-built houses, but the canal was turned into an industrial chemical dumpsite which was then sold to the city for a dollar but later exploded due to a record amount of rainfall, trees and gardens were turning black and dying. Children returned from playing with burns on their hands and faces and there were puddles of chemicals everywhere and they began evacuating people. -
Bhopal disaster
chemical leak in the city of Bhopal, Madhya Pradesh state India killed an estimate of 15,000 to 20,000 people at the time it was the worst industrial accident in history. The Bhopal disaster occurred when 45 tons of gas methyl isocyanate escaped from plant owned by a subsidiary. -
Chernobyl meltdown
There was a steam explosion and fires that released at least 5% of the radioactive reactor into the environment with deposition of radioactive materials in many parts of Europe, two Chernobyl plant workers died due to the explosion on the night it exploded, and 28 people died within a few weeks due to acute radiation syndrome. The United Nations committee on the effects of atomic radiation has said that apart from 5000 thyroid cancers. -
Montreal Protocol
The Montreal protocol on substances that deplete the ozone layer is the landmark environment agreement that regulates the production and consumption of 100 human-caused chemicals referred to as the ozone depleting substances. When released into the atmosphere, those chemicals damage the stratospheric ozone layer, earth protective shield that protects humans and the environment from harmful levels of ultraviolet radiation from the sun. -
human population hit 5 billion
-
Kyoto protocol
The Kyoto Protocol operationalizes the United Nations framework convention on climate change by committing industrialized countries and economics in transition to limit and reduce greenhouse gases. -
Great Pacific garbage patch
A collection of marine debris in the North Pacific Ocean. Marine debris is litter that ends up in the oceans, seas, and bodies of water. These areas of spinning debris are linked together by the North Pacific subtropical convergence zone, located a few hundred kilometers north of Hawaii. The convergence zone is where warm water from the South Pacific meets cooler water from the Arctic. The zone acts as a highway that moves debris from one patch to another. Many plastics do not break down. -
human population hit 6 billion
-
Documentary film An Inconvenient Truth
This film was about global warming inspired by the former united states vice president to raise awareness and help encourage people to act against this issue. The presentation includes visual supports that show the level of climate change from our consumption of carbon. This film has raised awareness of climate change to a new level and has been an amazing educational tool in upper post primary schools and at third level. -
human population hit 7 billion
-
Colorado river levels
For the overall Colorado river basin above lake Powell the snow accumulation peaked at 114% of the peak seasonal median on April 3,2024 historical average 30- year period of record from 1991-2020 and 22- year average min, most and max are the 90% 50% and 10% probable exceedance inflows. -
human population hit 8 billion