BlackRock warns of backlash against firms delaying climate action

LONDON (Reuters) - BlackRock Chief Executive Larry Fink has warned company boards to step up efforts to tackle climate change or face increased wrath from investors concerned about how unsustainable business practices might curb their future wealth.In his annual letter to CEOs, Fink said his firm believed sustainable investing was the "strongest foundation" for client portfolios and a "significant reallocation of capital" was likely in the near future as investors moved to protect returns.He..