Cardiopulmonary resuscitation (CPR) is a life-saving emergency procedure performed on individuals whose heart or breathing has stopped.

Citizen science (similar to community science, crowd science, crowd-sourced science, civic science, participatory monitoring, or volunteer monitoring) is research conducted with participation from the general public, or amateur/nonprofessional researchers or participants for science, social science and many other disciplines.

The Civil Rights Movement was a social and political movement that took place in the United States during the 1950s and 1960s.

Earth Day is an annual event celebrated on April 22nd to promote environmental awareness and protection.

An ecosystem is a community of living organisms in conjunction with the nonliving components of their environment, interacting as a system.

Environmentalism, also known as environmental rights, is a social and political ideology focused on the protection of the environment and conservation of natural resources.

Environmental protection is an important field that encompasses various measures and initiatives undertaken to safeguard the natural environment from harm or degradation caused by human activities.

Environmental science is an interdisciplinary academic field that integrates physical, biological, and information sciences to the study of the environment and the solution of environmental problems.