"Are we at a point of no return?" FRANCE 24's Mark Owen poses this stark question to Dr. Karina Von Schuckmann, Oceanographer specialized in ocean climate monitoring at Mercator Ocean International . "Is this the tipping point that the people have been fearing?" She firmly believes that, while "we still have everything in our hand to slow down the effect of climate change," we must act urgently to stave off "the changes we are now facing which will become more intense and more extreme."