
*Indigo Wilmann, July 31 2018, Tuesday Tip: How to make sure your ecotravel is actually green and ethical, Credo Energy blog, https://www.credoenergy.com/blog/2018/07/31/ecotravel-actually-green-and-ethical/?aid=&utm_source=energy_em&utm_medium=acq_email&utm_campaign=acqe_engage&utm_content=emeng_jun19_0nn
Photo by Robert Easton, Flickr