The most effective transition given the context provided is 'Though government regulations vary,' as it links the concerns about environmental sustainability in construction with the variable support for sustainable development among global governments.
Step-by-step explanation:
The subject at hand deals with finding an effective transition to bridge the gap between the discussion of environmental sustainability in the construction industry and the subsequent idea presented. Given the context that has been provided, the most suitable transition phrase would be 'B. Though government regulations vary,' because it sets up a contrast that acknowledges the variation in government responses to environmental concerns while proceeding to discuss sustainable development which is supported by governments as mentioned in the provided information. This transition effectively connects the growing concerns to the scholars' argument of combining economic growth and environmental quality through improved production processes.
The probable question can be:
Given the growing concerns about environmental sustainability in the construction industry, _________________.
which choice provides the most effective transition from the preceding sentence to the one that follows?
A. NO CHANGE
B. Though government regulations vary,
C. Armed with these facts,
D. Mindful of this setback,