Best of BS Opinion: Optimism on renewables, digital governance, and more

Here's a selection of Business Standard opinion pieces for the day

There is a lurking suspicion that the stock markets are in the middle of a bubble in growth stocks in general and US technology stocks in particular. How can investors spot the tell-tale signs? Akash Prakash delineates some common characteristics of bubbles to see if they apply to today’s situation. Read it here. 

Other views examine the challenges of meeting climate change targets, the role of boards in digital governance and Kerala’s draconian attempt to curb free speech. Kanika Datta sums up the views
 

Speaking at a side event at the G-20 summit, Prime Minister Narendra Modi noted that India was