Highlighted audio clips may be of most interest.

BBC NewsHourMozambique: three days of national mourning for the victims of Cyclone Idai, 20 March 2019.

Vox, How to cool the planet with a fake volcano, 31 October 2018.

CBC, The Current, 11 June 2018.

CBC, As It Happens, We're not stepping on the gas -- we're breathing it, 7 June 2018.

BBC Crowd ScienceCan Sucking CO2 Out of the Air Solve Climate Change?, 30 April 2018.

NPR 1A, Is Geoengineering a Solution to Climate Change?, 19 March 2018.

KCRW To the Point, Should we 'hack the climate' to fight global warming?, 12 May 2017.

NPR Morning EditionScientists Who Want To Study Climate Engineering Shun Trump, Nell Greenfieldboyce, 29 March 2017.

WHYY Radio Times, Is Geoengineering an Answer to Climate Change?, 31 January 2017.

BBC, Inside Science, 15 December 2016.

NPR Planet MoneyOil #5: Imagine A World Without Oil, 24 August 2016.

CBC Quirks and Quarks, A Case for Climate Engineering, 9 November 2013.

NPR TED Radio Hour, Can Hacking the Stratosphere Solve Climate Change?, 9 August 2013.

NPR All Things Considered, This Machine Can Suck Carbon Out of the Air, 15 September 2011.