21.40: Whirlwind
21.57: Floods
22.20: Army building flood defences
23.00: UN 1992 conference on Environment and Development
23.41: Environmental protests in Kyoto
24.50: Smoke pouring from chimney.
25.16: Dry, cracked land in South Africa
26.50: Emaciated Africans
26.30: People collecting dirty water from a well
27'00: Shark bycatch, West Africa
28'40: Ceremony at 1992 Rio Summit