Environmentalism is a broad movement that seeks to protect and restore the natural environment, and to promote sustainable practices that minimize harm to the environment.

Sustainable development is a holistic approach to development that seeks to balance economic, social, and environmental needs in a way that ensures the well-being of both present and future generations.

The Kyoto Protocol is an international agreement that aims to reduce greenhouse gas emissions in order to mitigate climate change.

Renewable energy sources are those that can be replenished naturally, such as solar energy, wind energy, and hydroelectric power.

Extinction is the term for the loss of a species from the Earth.

Agricultural expansion is a major cause of deforestation, as forests are cleared to make way for crops and livestock.

Human activities, such as the burning of fossil fuels, are the main cause of climate change.

Sustainable agriculture seeks to minimize the negative environmental impacts of agriculture, such as soil erosion and water pollution.

Reforestation is the process of restoring forests that have been degraded or destroyed.

Non-renewable resources are those that cannot be replenished naturally, such as fossil fuels and minerals.

Mitigation is the process of reducing greenhouse gas emissions in order to mitigate climate change.

Sustainable practices are those that minimize harm to the environment and promote the well-being of both present and future generations.

Adaptation is the process of adapting to the impacts of climate change, such as rising sea levels and extreme weather events.

Renewable energy sources are those that can be replenished naturally, such as solar energy, wind energy, and hydroelectric power.

Extinction is the term for the loss of a species from the Earth.