No registry that I am aware of, but some government sites do post all of the webcams within their agency/department/etc., like NPS Air Quality Web Cameras.
I keep a lists of some webcams, here are the ones that have animals.
EarthCam Live Webcam Network has over 500 Search Results for "Animals and Zoos" as well as an Animal Cams section.
Eagle Cam @ ...
Yes, there are (U.S.) public agencies that are currently (2017-03-07) streaming real-time video data. I'm not aware of a list of them (would LOVE it, if one such exists), but here's one:
Live Video Stream - NOAA Ship Okeanos Explorer
I'm not familiar with DataTurbine, nor aware of similar tools, but that's not to say they don't exist.
Seattle has been ...
I think this is probably what you are looking for Google-audiose-explosion. Also you might find other audio datasets that might fit into your search criteria under https://research.google.com/audioset/dataset/index.html by filtering using words like "bang" or "boom" etc.
I just came across this freesound-explosions-db , so maybe it can be a good ...
The dataset used in the paper "Learning a Driving Simulator" seems to contain what you're after. The data is 7.25 hours of video files (45 GB compressed; 80 GB decompressed) annotated with measures including speed, acceleration, GPS coordinates, etc. The data is released under the Creative Commons Attribution-NonCommercial-ShareAlike 3.0 License. The ...
There are a few academic datasets that could be useful. The most common datasets are video though.
The Stanford Drone Dataset
The Zurich Urban Micro Aerial Vehicle Dataset
Small UAV Position and Attitude, Raw Sensor, and Aerial Imagery Data Collected over Farm ...
Based on my comment, you can use live webcam feeds instead of official CCTV. Or even live youtube streams.
Consider using insecam.org as your source. License unknown.
The world biggest directory of online surveillance security cameras. Select a country to watch live street, traffic, parking, office, road, beach, earth online webcams. Now you can search ...