Australia´s public companies continue to lag behind peers in Europe and North America when it comes to disclosing greenhouse gas emissions, making it harder for investors to sift good performers from bad, according to two studies.
A survey of the carbon exposures of Australia's top 200 listed companies conducted for institutional investor VicSuper found three out of four do not disclose comparable emissions data. Analysis of available information for VicSuper by consultants Trucost found that just four — BHP Billiton, Rio Tinto, BlueScope Steel and Qantas — accounted for almost half the top 200 companies' direct emissions.
The report argues investors also need to understand companies' indirect emissions, particularly those resulting from their electricity use. About 90 per cent of AMP's carbon footprint, for instance, is the result of such indirect emissions.
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