WEATHER M EDIC INC J ACK W. KANACK Web site: www.weathermedic.com - - PowerPoint PPT Presentation

WEATHER M EDIC INC J ACK W. KANACK Web site: www.weathermedic.com Email: info@weathermedic.com Phone: (716) 245-5755 PEACE CENTER RENEWABLE ENERGY TASK FORCE CHARLEY BOWM AN renewableenergy@wnypeace.org

Current greenhouse gas concentrations[5]

Gas Pre-1750 tropospheric concentration[43] Recent tropospheric concentration[44] Absolute increase since 1750 Percentage increase since 1750 Increased radiative forcing (W/ m2)[45] Carbon dioxide (CO2) 280 ppm[46] 395.4 ppm[47] 115.4 ppm 41.2% 1.88 Methane (CH4) 700 ppb[48] 1893 ppb / [49] 1762 ppb[49] 1193 ppb / 1062 ppb 170.4% / 151.7% 0.49 Nitrous oxide (N2O) 270 ppb[45][50] 326 ppb / [49] 324 ppb[49] 56 ppb / 54 ppb 20.7% / 20.0% 0.17 Tropospheric

• zone (O3)

237 ppb[43] 337 ppb[43] 100 ppb 42% 0.4[51

Current greenhouse gas concentrations[5]

Atmospheric lifetime and GWP relative to CO2 at different time horizon for various greenhouse gases. Gas name Chemical formula Lifetime (years) Global warming potential (GWP) for given time horizon 20-yr 100-yr 500-yr Carbon dioxide CO2 See above 1 1 1 M ethane CH4 12 72 25 7.6 Nitrous oxide N2O 114 289 298 153 CFC-12 CCl2F2 100 11 000 10 900 5 200 HCFC-22 CHClF2 12 5 160 1 810 549 Tetrafluoromethane CF4 50 000 5 210 7 390 11 200 Hexafluoroethane C2F6 10 000 8 630 12 200 18 200 Sulfur hexafluoride SF6 3 200 16 300 22 800 32 600 Nitrogen trifluoride NF3 740 12 300 17 200 20 700

Atmospheric lifetime and GWP relative to CO

January Anomaly Rank (out of 135 years) Records °C °F Y ear(s) °C °F Global Land +1.17 ± 0.18 +2.11 ± 0.32 Warmest 4th 2007 +1.83 +3.29 Coolest 132nd 1893

• 1.97
• 3.55

Ocean +0.46 ± 0.04 +0.83 ± 0.07 Warmest 7th 1998 +0.56 +1.01 Coolest 129th 1904

• 0.47
• 0.85

Land and Ocean +0.65 ± 0.08 +1.17 ± 0.14 Warmest 4th 2007 +0.85 +1.53 Coolest 132nd 1893

• 0.73
• 1.31

Northern Hemisphere Land +1.19 ± 0.24 +2.14 ± 0.43 Warmest 7th 2007 +2.27 +4.09 Coolest 129th 1893

• 2.53
• 4.55

Ocean +0.48 ± 0.08 +0.86 ± 0.14 Warmest 5th 1998 +0.54 +0.97 Coolest 131st 1904

• 0.50
• 0.90

Ties: 2004 Land and Ocean +0.75 ± 0.13 +1.35 ± 0.23 Warmest 4th 2007 +1.19 +2.14 Coolest 132nd 1893

• 1.26
• 2.27

FEEDBACK CY CLES TRIGGERS WORRIES EARTH’S ALBEDO PERM AFROS T/ M ETHANE BREAK FROM THE SUN WATER VAPOR