by Paula RAMON Agence France-Presse LOS ANGELES, California (AFP) – The so-far successful battle this month in California to save the world’s biggest trees from ever-worsening forest blazes seems to offer an important lesson: You can fight fire with fire. Human-caused climate change has made the western United States hotter, drier and more vulnerable to increasingly destructive wildfires, which have this year taken a horrific toll on the region’s forests. That has included threatening huge […]