But scientists say the finding, one of two papers released yesterday on climate change, actually is a warning sign. Together, the studies bolster the argument that the planet's temperatures have shifted significantly during the past half-century, with many of the potential consequences likely to be negative.
Thursday, January 22, 2009
Forcing the Spring
Warming shifts stand out among data, 2 studies find
Thursday, January 22, 2009 3:19 AM
Chicago TribuneCHICAGO -- The news might seem welcome in the middle of a long, cold winter: Scientists have shown that the start of spring has moved almost two days earlier in the past 50 years.