is video conferencing really a viable green alternative to travel for most companies

yes.

https://en.wikipedia.org/wiki/GoToMeeting

Here is one such program.

To determine whether video conferencing is a viable green alternative to travel for most companies, we need to consider a few factors.

1. Distance: Video conferencing is most effective for short to medium-distance meetings. If the participants are located in different cities or countries, video conferencing can significantly reduce the carbon emissions associated with air travel.

2. Frequency: If a company regularly holds meetings or conferences with remote participants, video conferencing can be a more sustainable option. However, if the meetings are infrequent or involve a large number of participants, the energy consumption of video conferencing systems may outweigh the emissions from occasional travel.

3. Technology and Infrastructure: To successfully implement video conferencing, companies need reliable internet connections and appropriate technology, such as high-quality cameras, microphones, and software. Upgrading or investing in such infrastructure may have an environmental impact of its own.

4. Attendee Preferences and Efficiency: It's important to consider the preferences of meeting attendees. Some people may have a strong preference for in-person meetings, which could impact their satisfaction and productivity if forced to rely solely on video conferencing. Additionally, the efficiency of communication and decision-making during video conferences should be considered to ensure they are an effective replacement for face-to-face interactions.

Considering these factors, video conferencing can be a viable green alternative to travel for many companies. It reduces carbon emissions associated with air travel and offers time and cost savings. However, it is crucial to assess individual circumstances and find the right balance between in-person and virtual meetings to achieve environmental sustainability while meeting business needs.