African zoologists are in Colombia to advise local authorities on what to do with dozens of hippos roaming around the abandoned zoo of late drug lord Pablo Escobar in the north of the country.

Colombia was shocked last month at news that one of the giant beasts, who had escaped from Escobar's Hacienda Napoles, had been hunted down and shot on order of the government.

IF climate change and population growth progress at their current pace, in roughly 50 years farming as we know it will no longer exist. This means that the majority of people could soon be without enough food or water. But there is a solution that is surprisingly within reach: Move most farming into cities, and grow crops in tall, specially constructed buildings. It

Quelling all doubts about India

US Ambassador James F Moriarty has said forests in Bangladesh will be depleted in less than 15 years if the current rate of destruction continues unabated.

He called for immediate interventions by the government, otherwise millions of people who are dependent on forests, will lose their livelihoods.

The Arctic tundra is one of the world