In the Putumayo region of the Colombian Amazon, Segundo Meneses' daily routine took him to the Chufiya river, its banks verdant and waters alive with catfish and piranha. On one morning seven years ago, he noticed a dark film lapping the shore. Where the river turned a bend, it turned to black. It was an oil slick that he says went on to sicken his young family and poison their cows and pigs.
Financing fossil fuels, which are the primary cause of climate change, has become controversial in recent years, with major banks under fire for the scale of their lending for oil and gas development