The following castings were released with an Earth Day theme:
| Year | Casting Name | Series | Body Color | Photo Loose | Photo Carded |
|---|---|---|---|---|---|
| 2010 | 2008 Tesla Roadster | Easter Eggsclusives | Metallic Green |  |
 |
| 2018 | HW Formula Solar | Holiday Racers 6/6 |
Clear Blue |  |
 |
| 2021 | Total Disposal | HW Metro 8/10 |
Green |  |
 |
| 2022 | Carbonator | Fast Foodie 5/5 |
Translucent Green |  |
 |
| 2022 | Carbonator | Fast Foodie 5/5 |
Translucent Blue |  |
 |
| 2023 | Solar Reflex | HW Metro 5/10 |
Light Blue |  |
 |
| 2024 | Supercharged | HW Celebration Racers 7/10 |
Green |  |
 |