Environmental activists, wearing masks, take part in a demonstration to protest against hydrocarbon exploration and drilling in the Greek seas on February 21, 2019, in front of the Greek parliament in Athens. - Since the wake of the economic crisis, cash strapped Greece has promoted oil and gas as the spearhead of its economic recovery strategy.Environmental groups claim burning fossil fuels is the main cause of climate change and oil drilling causes severe impacts on the areas of concern and undermines the potential of local economies for sustainable development. (Photo by LOUISA GOULIAMAKI / AFP)