Refer to the following article, "Call for real climate action not 'greenwashing' from big polluters", available at the following link:

https://www.theage.com.au/business/the-economy/call-for-real-climate-action-not-greenwashingfrom-big-polluters-20200710-p55b13.html

and answer the following questions:

1. Explain the term "greenwashing" with reference to the context of the decoupling concept of institutional theory, referring to the following extracts: "The surge in commitments, however, is drawing closer scrutiny and tougher questions from investors and customers: Are they all truly green? Or are some simply "greenwashing" their polluting activities to present themselves as environmentally responsible?" ""It's quite easy for big companies to come out and say they are committed to climate, to say we want net-zero by 2050," warns Dan Gocher of shareholder activist group the Australasian Centre for Corporate Responsibility." ""It's a cliche, but the devil is in the detail. How much is actually going to happen in the next five to 10 years?""

2. Refer to the following extract from the article and explain it with reference to the social contract concept of legitimacy theory: "We are aiming to earn back the trust of society," says Bernard Looney, the chief executive of global oil major BP. "We have got to change, and change profoundly."

3. The article refers to "carbon offsets". Explain what they are and identify both their advantages and disadvantages.