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Showing below up to 12 results in range #51 to #62.

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51. (hist) ‎Geoengineering ‎[11,725 bytes]
52. (hist) ‎Hydropower ‎[12,240 bytes]
53. (hist) ‎Conservation and Efficiency ‎[12,472 bytes]
54. (hist) ‎Solar Power ‎[13,573 bytes]
55. (hist) ‎Biomass ‎[14,450 bytes]
56. (hist) ‎Carbon Storage and Sequestration ‎[14,966 bytes]
57. (hist) ‎Waste ‎[15,339 bytes]
58. (hist) ‎Nuclear Energy ‎[15,472 bytes]
59. (hist) ‎Green Building ‎[15,652 bytes]
60. (hist) ‎Forest management ‎[15,925 bytes]
61. (hist) ‎Geothermal Power ‎[23,114 bytes]
62. (hist) ‎Agricultural Management ‎[25,671 bytes]

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