Recent content by Sujatha K

I have to do a presentation for my school exhibition and I have got for the subject-Math. The theme for all presentations is 'Environmental Sustainability'. What should I do for it? Hunting for some ideas...

Well, I would like to know how and what you should speak, because for the selections, the topic is 'Global Economic Crisis'. We either have to speak as delegates from Japan or Russia. Which one would be the best?