On a hot summers day, a trip on the tube to get home can be a dreaded experience, with already hot trains overflowing with sweaty people. But how did we get to a situation where tube trains are stiflingly hot, and what’s being done about it? A talk given by London...

Numerous construction projects that were previously off-limits to wood are now possible because to new techniques for connecting lumber together, most recently wind turbines. Sweden, the home of wooden invention, is creating a 330-foot (100-meter) wooden wind turbine...