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We love these little seafood staples; the WWF says we eat about 2lb of prawns per individual, worldwide, yearly. To maintain up with demand, there’s been an explosion in tiger prawn and king prawn farms in international locations like Thailand, Indonesia, India and Vietnam.
The Marine Conservation Society says these farms usually use unlawful chemical substances, together with antibiotics, which pollute the native water; destroy mangroves that assist many important ecosystems and depend on fish pellets made out of wild fish which can be, in flip, depleting native fish shares.
Lots of the boats catching the ‘trash fish’ used for these pellets have additionally been accused of human rights abuses, together with slavery and human trafficking.
In case your prawns haven’t come from a fish farm, they could have been caught by a trawler. That is when a large web is dragged throughout the seabed to catch prawns and langoustines for scampi – and the rest in its means, often called ‘by-catch’.
The follow causes unbelievable hurt to the marine ecosystem, and campaigners are at the moment calling on UK supermarkets to take higher accountability for a way and the place the scampi they promote is caught.
What’s the choice?
If you will eat prawns, the MCS says small Northern or coldwater prawns are essentially the most sustainable choice. Farmed prawns with an EU natural or Soil Affiliation label are additionally a very good wager. For scampi, search for creel-caught langoustine or Dublin Bay prawns – a creel is a sort of pot or wicker basket.
Seafood with a ‘blue tick’ from the Marine Stewardship Council was seen because the gold commonplace, but it surely has not too long ago come beneath suspicion. Conservationists and campaigners say the MSC is certifying fisheries with unsustainable practices – like excessive ranges of by-catch – whereas certifiers are additionally paid by the fisheries they assess.
For a very sustainable different, purchase mussels as an alternative. They’re wealthy in protein, assist clear up the ocean, don’t want any additional feed and are sometimes cheaper than prawns. And in the event that they’re native and seasonal, that’s miles higher on your carbon footprint, too.
The difficulty with rice
What’s the impression on the setting?
A report from Oxfam discovered greater than half the world’s inhabitants depend on rice as their main supply of energy, however rising rice makes use of round a 3rd of the planet’s freshwater yearly. The WWF says it takes between 3,000 and 5,000 litres of water to supply 1kg of rice, giving it a major water footprint.
The tactic used to supply rice – flooding paddy fields to forestall weeds rising – permits methane-producing microbes to flourish too. Rice cultivation really creates 12% of all international methane emissions, so some farmers have adopted a unique methodology that switches between flooding fields and letting them dry out.
Sadly, scientists now consider intermittently flooded farms can launch as much as 45 instances extra nitrous oxide than repeatedly flooded fields; nitrous oxide is one other dangerous greenhouse fuel (GHG) that may keep within the ambiance for over 100 years.
Rice can be a mono-crop: rising the identical crop species in the identical subject 12 months after 12 months. This has an impression on soil well being, depleting pure vitamins, and will increase the danger of illness and pest outbreaks. Farmers then have to make use of extra fertiliser and pesticides on their crops, which isn’t good for us or the setting.
What’s the choice?
Rice has an enormous cultural (and caloric) significance for billions of individuals, so not consuming it merely isn’t an choice. So, the announcement {that a} new rice variant can slash methane emissions by 70% is actually excellent news. The scientists behind the brand new crop at the moment are testing it in various kinds of soil to see how sustainable it truly is.
A brand new farming methodology has additionally been created which means farmers can produce as much as 50% extra rice with much less water. The System of Rice Intensification makes use of much less fertiliser, much less human labour and moist soil (relatively than alternating between flooding and drying), to scale back its environmental impression.
If you wish to purchase sustainably farmed rice, search for merchandise verified by the Sustainable Rice Platform. These embrace manufacturers reminiscent of Good Rice, Riso Gallo and a few of Lidl’s personal varieties. Or go for substitutes like sushi rice grown in Spain or Italy that can have a decrease carbon footprint than rice flown in from international locations in Asia.
Fairly not depend on rice? You’ll be able to combine up your weight loss program – and keep away from consuming a mono-crop – by selecting alternate options like freekeh, teff, spelt and farro. Or go for lentils and pulses, like kidney beans and chickpeas, to broaden your nutrient consumption.
Ecological points with asparagus
What’s the impression on the setting?
Peru is the most important asparagus producer on this planet, exporting 75% of their crop across the globe. In 2023, the UK imported roughly 6 million kilograms of recent and chilled asparagus from Peru, value round £23.3million, making us their third largest importer behind the US and Spain.
Analysis discovered asparagus has the best environmental impression of any of the fruit or greens we import. That is largely as a result of meals miles – asparagus is principally air freighted to the UK – and its water footprint.
In 2010 it was revealed industrial asparagus farms within the Ica Valley in Peru have been depleting native water sources. Close by villages discovered their wells drying up, whereas the water desk within the valley was dropping by eight metres a 12 months in some locations. However issues have not improved over a decade later.
Research present the Ica Valley remains to be dealing with extreme water shortages because of the ‘agro-export increase’, and native water sources are nonetheless being exported as ‘digital water’ within the asparagus. Plus, local weather change will put much more stress on Peru’s water provides as their glaciers soften sooner and the danger of drought will increase.
What’s the choice?
The easy reply is don’t purchase asparagus from Peru. We don’t must eat it year-round and chopping it out of your weight loss program is without doubt one of the best methods to chop down your carbon footprint – importing 1kg of asparagus from Peru creates 11kgs of carbon dioxide, however UK asaparagus solely produces 2.1kgs of CO2 per kg.
Purchase domestically produced when it’s in season – from April to June within the UK – to benefit from the style and the sensation you’re serving to to scale back digital water exports. Agricultural exporters usually say their product is pushed by shopper demand, so let’s attempt to cut back that demand.
Unethical chocolate
What’s the impression on the setting?
The chocolate trade shall be value over $106 billion by 2027, however our love of the candy stuff is having an enormous adverse impression on the planet. Scientists say cocoa farming is driving deforestation on the Ivory Coast and Ghana, the place many of the world’s cocoa is produced – and 70% of that is unlawful deforestation.
A number of the different substances utilized in chocolate even have massive carbon footprints. Dairy milk makes use of plenty of land and freshwater, and produces GHGs – primarily methane from cow burps – whereas palm oil is liable for the lack of enormous areas of rainforest in Southeast Asia.
Cocoa cultivation is each inflicting and is a sufferer of local weather change. Deforestation releases extra carbon dioxide into the ambiance however because the planet warms, a scarcity of rainfall and better temperatures damages cocoa timber, which forces farmers to search out new areas to develop cocoa. And the cycle continues.
Aside from environmental injury, cocoa manufacturing is thought for a number of human rights abuses. Most cocoa farmers earn simply 6% of the ultimate worth of a chocolate bar, whereas baby labour, human trafficking and even slavery are frequent practices.
What’s the choice?
Search for Fairtrade chocolate, which focuses on enhancing residing and dealing requirements for cocoa farmers, and select moral producers that solely purchase cocoa from sustainable sources. Natural chocolate and people which can be palm-oil free are additionally good on your conscience and your tastebuds.
Unsure the place to begin? We’ve achieved the arduous be just right for you; learn our round-up of the ten most planet-friendly chocolate manufacturers.
Sticking to darkish chocolate will cut back the environmental impression from dairy milk and it could possibly be good on your well being, too. Darkish chocolate is wealthy in energetic plant compounds known as flavanols that will assist shield your coronary heart, enhance mind operate and cut back your danger of continual situations like diabetes.
Local weather-changing espresso
What’s the impression on the setting?
Analysis reveals producing simply 1kg of espresso creates about 15kg of carbon dioxide, placing it second solely to beef by way of its carbon footprint – or about the identical as Denmark’s annual emissions! Espresso’s GHG emissions primarily come from deforestation, farming – significantly the usage of fertilisers – and transportation.
Over the previous 20 years, roughly 130,000 hectares of forest has been misplaced yearly to espresso cultivation. A report by the WWF discovered land-use change (i.e. deforestation) contributed almost half a cup of espresso’s complete GHGs.
Fertilisers utilized by espresso farmers launch massive quantities of nitrous oxide, whereas processing espresso cherries utilizing the ‘moist’ methodology makes use of considerably extra water than merely drying them within the solar. The inexperienced beans are then transported to a different vacation spot; transport makes up round 15% of the GHGs in espresso’s lifecycle.
While you add in roasting, packaging and ultimate transportation to retailers and houses, it’s no shock that espresso has such an unlimited impression on the setting. And that’s earlier than we even contemplate the associated fee on human lives, reminiscent of slavery, baby labour or espresso farmers not incomes sufficient to carry them out of poverty.
What’s the choice?
Excellent news – you don’t have to surrender your morning brew. Consultants from College School London discovered sustainable espresso has a 77% decrease carbon footprint than conventionally produced beans. Most of this discount comes from utilizing cargo ships relatively than air freight, so learn the way your espresso is transported.
Shopping for natural espresso ensures it doesn’t use chemical fertilisers or pesticides, however examine to see if it’s additionally shade-grown. This agroforestry system crops espresso amongst taller timber that shade the espresso crops, assist cut back temperatures – tackling international warming – and increase biodiversity.
Some shade-grown UK espresso manufacturers embrace Chicken & Wild, Cafédirect, Straightforward Jose Espresso, Coromandel Coast and Owens Espresso. Shopping for espresso from producers who deal straight with the growers, or Fairtrade licensed manufacturers, means farmers additionally obtain a lot better costs for his or her espresso crop.
When you actually wish to make your espresso greener, change to ingesting tea – a scientific evaluation evaluating tea and low manufacturing discovered espresso produces 2.5 instances the GHGs of tea, and tea solely wants 25% of the water utilized in espresso cultivation. However that is perhaps a step too far for even essentially the most ethically minded espresso drinker.
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