Colombian energy giant Ecopetrol has polluted hundreds of sites with oil, including water sources and biodiverse wetlands, ...

Colombia’s state-led oil company Ecopetrol ... A fishing union representative also told the BBC that water pollution has led to a “massacre” of fish and the vulnerable West Indian manatee ...

For more than 50 years, the Columbia Environmental Research Center has produced research about contaminants and their effects ...

Columbia Utilities says it will work with other agencies and track complaints regarding illegal camping and dumping near the ...