Ten percent of the big fish still remain. There are still some blue whales. There are still some krill in Antarctica. There are a few oysters in Chesapeake Bay. Half the coral reefs are still in pretty good shape a jeweled belt around the middle of the planet. There's still time but not a lot to turn things around.
Sometimes negative news does come out but it is often exaggerated and manipulated to spread scandal. Journalists sometimes risk becoming ill from coprophilia and thus fomenting coprophagia: which is a sin that taints all men and women that is the tendency to focus on the negative rather than the positive aspects.