Noise
In a sender-receiver model, the key components include: Encoding of thoughts or ideas, a message as the output of encoding, a medium to convey the message, and decoding of the message back into meaningful thoughts or ideas. Anything that interferes with the transmission and understanding of the message is termed noise (such as distance, for example). [PMBOK® Guide 6th edition, Page 372]
Develop a communications management plan to ensure that everyone can communicate clearly with the entire team.
Developing a communications management plan to ensure clear communications between all the team members will prevent cultural and language differences from becoming problematic. [PMBOK® Guide 6th edition, Page 366]
Meeting management techniques
Nate needs to acquire meeting management skills that includes preparing agenda, timekeeping, dealing with conflicts, and recording and distributing minutes etc. [PMBOK® Guide 6th edition, Page 386]
Communication requirements analysis
The question is asking for a tool and technique that is not part of the Manage Communications process. Communication requirements analysis is a tool and technique of the Plan Communications Management process and not the Manage Communications process. [PMBOK® Guide 6th edition, Page 379]
Pull communication
Pull communication is suited for this purpose. It is used for large volumes of information or for large audiences and requires the recipients to access communication content at their own discretion. [PMBOK® Guide 6th edition, Page 374]
Noise
Anything that interferes with the meaning of a message is considered noise. [PMBOK® Guide 6th edition, Page 372]
Encode -> Transmit -> Decode -> Acknowledge -> Feedback
Encode -> Transmit -> Decode -> Acknowledge -> Feedback is the right sequence. [PMBOK® Guide 6th edition, Page 371, 372]
Upward
In this case, your communication is with your supervisor who has a different level of responsibility and authority. This is an example of an upward dimension of communications. [PMBOK® Guide 6th edition, Page 361]
Cheapest available technology
While cost is always a consideration for any project decision, merely considering the cheapest available technology can compromise the purpose of the project. [PMBOK® Guide 6th edition, Page 370]
Pull communication
Push communication is used to send information to specific recipients who need to know. Push communication is done using letters, faxes, memos, etc. Pull communication is used for large volumes of information. The methods for this type of communication include internet sites and blogs. Since you want to notify the general public about environmental effects by posting reports on the project’s website, this is an example of pull communication methods. [PMBOK® Guide 6th edition, Page 374]