Activist investor Elliott takes short position in Shell after building a stake in rival BP / Shell Exploring Sale of Chemicals Assets in US, Europe, WSJ Says / London: Shell must clean up its 'toxic mess' in Niger Delta / London: Activists stage 'Ecocide Babe' stunt outside courts as Shell trial begins / Shell in court over claims of oil pollution in Nigeria / London hearing over Shell's Niger Delta activity: Plaintiffs sue for oil spills / Oil clean-up 'scam' warnings ignored by Shell, whistleblower tells BBC / Philippines storm survivors join climate protest outside Shell HQ in London / Campaigners take Shell CO2 case to the Supreme Court