Climate change is an important topic and it is no surprise that many are looking to leaders and businesses to act, given that large businesses have a sizable impact on the environment. In 2017, a report by the Carbon Disclosure Project found that just 100 companies are responsible for 71% of global greenhouse gas emissions. Of course, the type of industry can also affect the company’s carbon footprint. Last year, a study showed that 8% of global greenhouse gas emissions were related to the tourism industry, and this percentage is expected to grow at an annual rate of 4%. While these statistics may be staggering, some leaders are taking action. Rick Steves, the CEO of Rick Steves’ Europe, recently announced his plans to donate an annual amount of $1 million on Twitter.   The Self-Imposed Carbon Tax https://twitter.com/RickSteves/status/1179475145028784128 He calls it a "self-imposed carbon...