Now, people noticed the spill after Hurricane Ida swept through an oil and gas hub there. Images taken last week showed a rainbow sheen on the water and a dark, thick line suggesting an ongoing spill.

It is hunting for leaks of methane — an invisible, super-polluting gas ... first images of methane emissions from Venezuela, a South American petrostate with the world’s largest oil reserves.

By Clifford Krauss With its economy severely hampered by stringent measures to curb the spread of Covid-19, China’s oil and gas consumption ... analyzes satellite images, photographs, videos ...