Greenpeace welcomes BP's anouncement, but raises questions on solutions Greenpeace climate adviser Charlie Kronick says in an interview with AFP that BP's new CEO is 'a massive step up in awareness on climate change' after the British oil firm announced an objective of net zero carbon emissions in 2050, but says that the solutions BP is relying on are inadequate and that the only way to achieve this objective is to stop investing in oil and gas. IMAGES AND SOUNDBITES