Earth Day, held on April 22, 1970, was a major environmental campaign that led to the creation of the EPA and the passage of several environmental laws.

The Chipko movement, which began in the 1970s, was a nonviolent protest movement in India that aimed to protect forests from deforestation.

The Save the Ozone Layer campaign, launched in the 1980s, aimed to raise awareness about the depletion of the ozone layer and led to the signing of the Montreal Protocol, which phased out the production and use of ozone-depleting substances.

The Kyoto Protocol, adopted in 1997, was an international agreement that aimed to reduce greenhouse gas emissions to combat climate change.

The Earth Summit, held in Rio de Janeiro in 1992, led to the creation of the IPCC, an international body that assesses the science of climate change.

The Paris Agreement, adopted in 2015, aims to limit global temperature rise to well below 2 degrees Celsius, preferably to 1.5 degrees Celsius, compared to pre-industrial levels.

The Earth Summit, held in Stockholm in 1972, led to the creation of UNEP, the United Nations body responsible for coordinating global environmental efforts.

The Clean Air Act, passed in 1970, was a landmark environmental law in the United States that aimed to reduce air pollution.

The Earth Summit, held in Gland, Switzerland in 1961, led to the creation of WWF, an international non-governmental organization dedicated to the conservation of nature.

The Clean Water Act, passed in 1972, was a landmark environmental law in the United States that aimed to reduce water pollution.

The Earth Summit, held in Vancouver, Canada in 1971, led to the creation of Greenpeace, an international non-governmental organization dedicated to promoting environmental awareness and activism.

The Endangered Species Act, passed in 1973, was a landmark environmental law in the United States that aimed to protect endangered species and their habitats.

The Earth Summit, held in San Francisco, California in 1892, led to the creation of the Sierra Club, one of the oldest and largest environmental organizations in the United States.

The Basel Convention, adopted in 1989, aims to control the transboundary movement of hazardous waste and its disposal.

The Earth Summit, held in Rio de Janeiro in 1992, led to the creation of the UNFCCC, an international environmental treaty that aims to stabilize greenhouse gas concentrations in the atmosphere.