by Rania Sanjar Agence France-Presse RIYADH, Saudi Arabia (AFP) – Top crude exporter Saudi Arabia will aim to achieve net zero carbon emissions by 2060, its de facto ruler said on Saturday, days before the COP26 global climate summit. The kingdom, one of the world’s biggest polluters, said it would also join a global effort to cut methane emissions by 30 percent by 2030. The UN says more than 130 countries have set or are […]