Times Colonist: Living in times of unprecedented climate change has given way to new uncertainties. Every day, new evidence points to fundamental changes in our natural world. Most recently, there is more news that warming temperatures are killing our forests (“Tree deaths skyrocketing,” Ottawa Citizen, Jan. 23). It’s tempting to respond with radical new approaches to forestry beyond our base of knowledge. But a conservative, responsible outlook demands we take a deliberate accounting of what …