Groups of workers at Google parent Alphabet,  (GOOG) - Get Report Amazon (AMZN) - Get Report , Facebook (FB) - Get Report  and Microsoft (MSFT) - Get Report  are expected to walk off the job on Friday to participate in a global climate-change protest. 

No word yet on whether workers at Apple (AAPL) - Get Report will join the global movement on the day the company is set to launch its latest iPhone.

According to various reports across digital and social media, workers are walking off the job to pressure their industry to do more to address climate change.

They will join climate-change protests set to take place in 150 countries on Sept. 20, ahead of the 2019 Climate Action Summit on Sept. 23. 

Some worker groups have launched social-media sites to communicate their activities, such as the Google Workers for Action on Climate ChangeMicrosoft Workers 4 Good , Amazon Employees for Climate Justice and Facebook Employees for Climate Action pages on Twitter.

Amazon workers say they want their company to commit to zero emissions by 2030 and to pilot electric vehicles first in communities most affected by pollution.

"This will be the first time that Amazon workers at corporate offices are walking out, and it's the first walkout in the tech industry over the climate crisis," states a release from the Amazon worker group.

An Amazon spokesperson said in a statement: "Playing a significant role in helping to reduce the sources of human-induced climate change is an important commitment for Amazon. ... Earlier this year, we announced Shipment Zero - Amazon's vision to make all Amazon shipments net zero carbon, with 50% of all shipments net zero by 2030. ... To track our progress on this journey and as part of an overall commitment to sharing our sustainability goals, we plan to share Amazon's company-wide carbon footprint, along with related goals and programs, later this year."

A Facebook spokesperson said in a statement: "People express what matters most to them on our platform and, in support of the Global Climate Strike, we expect many will be vocal in their support for climate action. Facebook is taking action on climate change, too. We are building sustainability into our operations as well as engaging the global community on this important issue with our products."