Hey,

The explanation of the given terms as as follows:

1. Ecofeminism: Ecofeminism is nothing but a movement where in a connection is seen between degradation and exploitation of the natural resources and the sources and beauty of nature along with the oppression  and suppression of women. This word kind of emerged out in the mid-1970 where a second wave of feminism was observed long with green movement.
2. Agenda 21: It is a non-binding plan of the united nation which promotes sustainable development and motivates the countries to accept the plan. It is the outcome of the summit in Brazil Rio De Janerio in 1992. It is supported by United States of America, Australia, Africa and other countries.
3. Global Warming: It is a natural issue which is going to be a threat to  the existence of life on earth later. The rise in temperature of the surface of the earth because of greenhouse gases and  other human activities like pollution etc. The result of Global warming can be witnessed by the melting of ice caps in antarctic circle.
4. Hazardous Waste: The waste which causes hazardous and can be life threatening are termed as hazardous wastes like battery, electronic gadgets,etc. they can be divided into 4 categories based on:ignitability,corrosivity,reactivity, toxicity,

I hope this helps.

All the best!

Hey alina,
Ecofeminism - It is the branch of feminism ,that Deals with environmentalism and the relationship between women and the earth as it is Foundational to its analysis and practices
Agenda 21 - agenda 21 is all about the sustainable development ,it is a non binding action plan of the united nations. It is the product of earth summit which is held in Rio de Janeiro ,Brazil 1992
Global warming -  It is the rise in average temperature of the earth climate system because of the humans ,it is demonstrated by the temperature measurements of various effects of the warming
Hazardous wastes -  It is that waste that has substantial or potential threats to public health or to the our surrounding or environment .
Hope you find it helpful!