As global debt worries mount, is another crisis brewing?

Record debts, high interest rates, the costs of climate change, health and pension spending as populations age and fractious politics are stoking fears of a financial market crisis in big developed economies. A surge in government borrowing costs has put high debt in the spotlight, with investors demanding increased compensation to hold long-term bonds and policymakers urging caution on public finances. Over 80% of the $10 trillion rise in global debt in the first half to a record $307 trillion came from developed economies, the Institute of International Finance says.