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It is important to reduce eating, say experts. Emissions from food and agriculture contribute to 25 percent of greenhouse gas emissions and need to be reduced three-quarters by 2050 to meet environmental targets, according to the latest study by researchers.

Studying a number of measures to reduce food-related emissions, experts found that reducing beef and dairy consumption, as well as upgrading technology can help to reduce greenhouse gas emissions.

"Emissions from manure storage can all but be eliminated if the facilities are covered and waste gases are flared," said David Bryngelsson, lead author of the new study, in a news release.

Cattle and beef reduction can help to meet climate targets, as cattle contribute to a large share of the emissions.

"But we don't have to give up meat entirely," said Stefan Wirsenius, co-author of the new study. "Poultry and pork cause rather low emissions, in a range equivalent to 10 to 30 kilos of carbon dioxide per kilo of protein, while beef cause 200 kilos per kilo protein. So we can continue to eat large quantities of poultry and pork-provided that we cut back on beef."

Moreover, cheese and other dairy products too are "serious climate products", which can be replaced with vegetable products, in order to meet climate targets.

The findings are published in the journal Food Policy.