| Abbreviation | Definition |
|---|---|
| BCI | Business Climate Indicator |
| BCL | Business Climate Leaders |
| BECC | Behavior Energy and Climate Change |
| BECC | Behavior Energy and Climate Conference |
| BECC | Behavior Energy Climate Change |
| BECI | Berkeley Energy and Climate Institute |
| BHCO | Black Hills Climate Overview |
| BOAC | Board on Oceans Atmosphere and Climate |
| BRACE | Building Resilience Against Climate Effects |
| BRACED | Building Resilience and Adaptation to Climate Extremes and Disasters |
| BRACED | Building Resilience and Adapting to Climate Extremes and Disasters |
| BST | British Summer Time |
| BUCL | Birmingham Urban Climate Laboratory |
| C4D | Canadian Coalition on Climate Change and Development |
| CABO | Climate And Background Ozone |
| CACC | Campaign Against Climate Change |
| CACP | Clean Air and Climate Protection |
| CAEF | Climate Action and Environment Facility |
| CAEP | Climate Action Enhancement Package |
| CAIP | Climate Action Implementation Plan |