Results come from Exumo's own index. Data from YouTube; Exumo is not affiliated with YouTube.

1. 15:51

   Can we fix the climate without China??

   Just Have a Think · May 23, 2021 · 71.8K views

2. 14:29

   Agrivoltaics. An economic lifeline for American farmers?

   Just Have a Think · May 16, 2021 · 272.8K views

3. 11:00

   A solar solution for Sub Saharan Schools.

   Just Have a Think · May 12, 2021 · 22.4K views

4. 12:47

   Hydrogen jet fuel - is this the future of aviation?

   Just Have a Think · May 9, 2021 · 107.7K views

5. 13:39

   Portable Liquid Air Power. A new boost for electric vehicles.

   Just Have a Think · May 2, 2021 · 204K views

6. 15:22

   Climate and Ecological Emergency. Can you really make a difference??

   Just Have a Think · Apr 30, 2021 · 56.9K views

7. 14:25

   Global greenhouse gas 2021 rebound. Is there any chance of staying under 1.5 degrees Celsius?

   Just Have a Think · Apr 25, 2021 · 56K views

8. 12:09

   A vertical axis wind turbine that doesn't need the prevailing wind! How do they do that?

   Just Have a Think · Apr 18, 2021 · 1.5M views

9. 13:57

   Climate change : The daily consequences we're choosing to ignore.

   Just Have a Think · Apr 14, 2021 · 61K views

10. 14:13

    Stirling Heat Engine to Stirling Heat Pump : How is it done?

    Just Have a Think · Apr 11, 2021 · 402.3K views

11. 13:06

    Population Growth. Is it out of control?

    Just Have a Think · Mar 31, 2021 · 140.4K views

12. 11:09

    Hydrogen Home Storage. Could this be a game changer?

    Just Have a Think · Mar 28, 2021 · 357K views

13. 17:49

    Life Cycle Assessment. Optimising raw materials for renewables

    Just Have a Think · Mar 21, 2021 · 51.6K views

14. 10:26

    Wet Bulb Temperature. Life or death?

    Just Have a Think · Mar 17, 2021 · 80.2K views

15. 13:52

    Retrofitting to Passive House standards

    Just Have a Think · Mar 14, 2021 · 127.8K views

16. 14:03

    Micro Hydropower : Turbulent Turbines

    Just Have a Think · Mar 7, 2021 · 453.4K views

17. 12:05

    Oceans, Carbon and Heat. Have we wrecked another equilibrium?

    Just Have a Think · Mar 3, 2021 · 43.7K views

18. 11:19

    Energy storage in salt - how nanoparticles are revolutionising the industry.

    Just Have a Think · Feb 28, 2021 · 112.8K views

19. 12:14

    India's plan for global solar domination.

    Just Have a Think · Feb 21, 2021 · 102.4K views

20. 11:12

    The global Biomass scam.

    Just Have a Think · Feb 17, 2021 · 79.1K views