Masks that are disposable are causing massive plastic waste
The UK government has been encouraged to do more to move people from disposable to reusable masks.
The Liberal Democrats said that "enormous" plastic emissions were caused by single-use surgical masks and environmental protection was to be promoted.
And the Green Party needs to pressure the media less, and not "normalize" their use.
Disposable masks contain water polluting plastics that can damage or tangle sluggish wildlife.
It was investigated by the United Kingdom government as to the reuse in safe way of personal protective devices (PPE).
In order to avoid a spread of the corone virus in England, Scotland and Northern Ireland, facet cover-either removable or reusable-is now compulsory for public transport in shops and other enclosed areas.
The law applies only to public transport in Wales, but from Monday onwards it will be applied to shops and other indoor areas.
In the case of the UK, 96 percent of people who left home last week wearing a face mask, figures from the Office for National Statistical Sciences showed.
England's official advice is to wear a reusable washable as far as possible.
It adds that people should't put them in their recycling bottle because they're not able to get recycled by traditional recycling facilities.
However, when conservation organizations are advised to hide their ears, hundreds of thousands and millions of single-use masks will be poured outside, towns and landscape.
The Marine Conservation Society is calling for volunteers to document how many they are taking up as part of their Great British Beach Clean from 18 to 25 September.
"Just look at rivers such as Thames and you’ll see them floating by," said Laura Fostern, Head of Clean Seas of the organization.
The RSPCA urges individuals with disposable masks to "snip the strings," so that animals are not trapped in the ties.
The Liberal Democrats call on UK ministers to do more to encourage and provide guidance on how best to keep the reusable masks clean.
Environment and business spokeswoman Sarah Olney told the BBC, "As we face Covid 19 crisis, we all want to do our bit for others to be safe. Wearing face covering is a vital part of that, but it shouldn’t cost the earth.”