ENVIRONMENTAL SCIENCE
CLIMATE CHANGE RECONSIDERED
2 FEEDBACK FACTORS AND RADIATIVE FORCING 3 OBSERVATIONS: TEMPERATURE RECORDS 4 OBSERVATIONS: GLACIERS, SEA ICE, PRECIPITATION, AND SEA LEVEL 5 SOLAR VARIABILITY AND CLIMATE CYCLES 6 OBSERVATIONS: EXTREME WEATHER 7 BIOLOGICAL EFFECTS OF CARBON DIOXIDE ENRICHMENT 8 SPECIES EXTINCTION 9 HUMAN HEALTH EFFECTS