Climate change is making work more difficult and dangerous for billions of people, the International Labour Organization (ILO) said on Thursday. In Europe and Central Asia, the proportion of people exposed to excessive heat at work is low by global standards, but it has increased more than in any other region of the world over the past 20 years, the ILO said. Heat affects not only people who work outdoors such as in fields or on construction sites, but also those who are employed in factories or who have to wear protective suits such as firefighters. Almost 22.9 million people experience accid…