Telegraph: Climate change remains a hot topic, but it's hard to ignore the fact that things are getting warmer. Any trees you plant this autumn should still be giving pleasure in 2050, when they could be living in the kind of temperatures now found five degrees of latitude farther south. So we need to be aware of the possibilities -- and challenges -- this offers. Professionals responsible for planting thousands of trees a year are going through an exciting time. Historic commercial considerations mean that...