Away from its busy capital city and famous canal, Panama is one of the world’s most ecologically diverse nations. Yet huge new hydroelectric dam projects now underway are seeing pristine rivers damned and virgin rainforest flooded. The government says it is vital for economic growth, big business is cashing in and even the UN has awarded carbon credits on the basis that the resultant energy will be ‘sustainably’ produced. But for the indigenous Ngabe people – whose homes are vanishing under water – it is a catastrophe. So they have been fighting back. Filmmaker Glenn Elis went to Panama to find out more.