Ecofeminism: Founded by Francois d'Eaubonne, it is the branch of feminism that concentrates on the relationship of women and nature as the basis of analysis.

Agenda 21: It was put forward in Earth Summit held at Rio de Janeiro, Brazil, 1992. It's main focus is on providing plans for sustainable development for the earth to reduce poverty and environment damage.

Global warming: The rise in temperature of a surface is called Global Warming. It is mainly due to release of harmful gases like carbon dioxide and other greenhouse gases.

Hazardous Waste: The wastes that are harmful to the general public and environment are Hazardous Waste. It is very toxic and harmful for every living organism of the earth.