2. They expect the heat to get much worse over coming decades, but already it is killing forests around the world, driving plants and animals to extinction, melting land ice and causing the seas to rise at an accelerating pace.
5. He had been stranded for five hours by the time help arrived.
6. Canadians: I'm afraid that while you are here you will be repeatedly mistaken for Americans and blamed for all sorts of stuff you had nothing to do with. Unless you can think of a quick and simple way to distinguish yourselves at a glance – flower in lapel? Saddle shoes? Maple leaf eyepatch? – then you are just going to have to suck it up.