wastage

He said there were costs from managing the impact, including more IT staffing, and increased food wastage as the firm switched to manual processing during the cyber attack.

Japan's Consumer Affairs Agency has told McDonald's it must improve its sales strategy and take steps to improve food wastage.

Once regarded as a by-product in cheese-making, whey protein has become increasingly popular for use in smoothies, food and for people using injectable weight loss medications to prevent muscle wastage.

"Every resource I bring on and every bit of wastage I take off," Ms Hargrave said.

The March for Clean Water was advertised as a "one-off" event to petition the government to enforce laws that tackle water pollution and ensure "all polluting industries" upgrade infrastructure and reduce water wastage.