Journal Sentinel: We’ve all heard about how the climate is changing on the whole. But looking beyond the average, a University of Wisconsin-Madison climatologist has found that increased year-to-year climate fluctuations are expected to have drastic effects on the world’s ecosystems. “Climate variability reduces total vegetation cover,” said Michael Notaro, an assistant scientist at the UW-Madison Center for Climatic Research, who presented his findings Tuesday at the Ecological Society of America …