The images from each can be viewed on a speedy timeline, offering a cool stop-motion perspective on the multi-billion dollar undertaking.
Greenpeace's largest ship, the Esperanza (Spanish for "hope"), is currently on a world-wide tour to highlight the damage being done to the oceans.
If there's ever a webcam that will make you want to get scuba-certified in a hurry, this is surely it.
This live feed, which can be refreshed up to every two seconds on a speedy connection, provides an underwater view of the Bonaire National Marine Park in the Antilles islands.
We're in no way suggesting that viewing an event or landmark on a computer screen can compete with a real-world experience, but, let's face it, it is better than nothing!
Check out our selection below that armchair explorers can enjoy (dependent on time zones of course) right now.
You can monitor four streaming feeds and eight refresh feeds, and follow the related Twitter account, which will give you a heads-up when any beasties are in view — a great way to click right into some live safari action.