Moving towards 100% thermal insulation for homes

A home profiled in Wired has six very interesting zero-carbon elements, but it’s the last two that fascinate me – thick walls and ultra-efficient windows. Thick walls mean “two 8-inch-thick concrete layers that protect the interior from outside temperature fluctuations. On hot days, the concrete absorbs and retains heat, keeping rooms cool; at night it slowly …

There is a mountain lion in central Los Angeles, prowling around Griffith Park

It’s true, in fact, there are several of them but mostly in the nature reserves of the Santa Monica Mountains. This one is different because it is truly in the heart of LA, Griffith Park.     Surrounded by freeways on two sides, Hollywood and downtown on the others, this is truly an urban area. …