MEGAN ROWLING  THE mayors of 12 big cities in North America, Europe and Africa pledged on Tuesday to shift their money out of fossil fuels and into green energy, buildings, transport and other investments to help them recover from the pandemic and tackle climate change. The group of cities, which signed up to a declaration committing them to divest from coal, oil and gas, are home to more than 36 million residents and hold over $295 billion in assets. Led by London and New York City, they agreed to take all possible steps to divest from fossil fuel companies the…