Bloomberg Shanghai Aiko Solar Energy Co will invest 20 billion yuan ($2.87 billion) to build photovoltaic cell manufacturing plants in Zhejiang province, according to an agreement between the company and the local government. The facilities will have total annual capacity of 36 gigawatts and construction will last for seven years, the company said in a filing to Shanghai stock exchange. ...

Among that sad subset of people whose hobby over the last few months has been speculating about Joe Biden’s running mate, Senator Kamala Harris of California was always in the lead. There’s a reason for that: She checks all the boxes. Biden said he was going to choose a woman. The next logical question, once he made that declaration, was ...

The question of herd immunity — specifically, whether some cities and regions are acquiring it sooner than expected and thus have higher than expected protection against Covid-19 — has been attracting more attention lately. Even if this hypothesis is true, however, it still leaves the world with some truly significant challenges and mandates a continuing vigorous fight against the pandemic. ...