Spring is a time of rebirth and renewal — and the season seems to arrive a little earlier in New Hampshire every year. A look at temperatures recorded since 1900 by the National Oceanic and Atmospheric Administration shows New England is warming faster than any other region of the world. Winters are shorter, summers are longer and these shifts in temperature are expected to wreak havoc on the New England economy, ecology and cultural heritage. The question is – what can be done?