EnvironmentZero-carbon shipping fuel could be a new source of pollution The shipping industry is planning to swap some fossil fuels for green ammonia – but that could create a major new source of nitrogen pollution News
LifeOrcas have begun wearing salmon hats again – and we may soon know why About 40 years ago, researchers noticed a population of orcas had begun swimming around with dead fish on their heads, and now the craze is back News