| 59. Environmental Principles | 4 | 2023-06-06 16:03:26 |
| 60. Clean Air and Smog Reductions | 1 | 2023-03-26 16:50:14 |
| 61. Alternative Energy and Transitional Fuels | 1 | 2023-06-04 10:48:17 |
| 62. Contaminated Sites | 1 | 2023-03-29 16:55:50 |
| 63. Offshore Resource Development | 0 | NA |
| 64. Water - Great Lakes | 0 | NA |
| 65. Illegal Oil Dumping | 1 | 2023-02-03 13:37:44 |
| 66. Aquifer Mapping | 1 | 2023-03-22 12:58:07 |
| 67. Aquatic Invasive Species | 2 | 2023-06-05 15:17:01 |
| Environmental Law Enforcement | 0 | NA |
| Energy Security Via Innovation | 0 | NA |
| Climate | 0 | NA |
| Renewable Power | 0 | NA |
| Addressing Climate Change: Weather and Climate Preparedness | 0 | NA |
| Addressing Climate Change: Assisting Poor Countries to Prepare for Climate Extremes | 0 | NA |
| Carbon Tax and the Environment | 0 | NA |
| Green House Gas Theory and Climate Change | 0 | NA |
