A new draft deal to stop the destruction of nature is being considered by delegates at a United Nations summit.
A last ditch effort has been made to build consensus among nearly 200 countries.
The UN biodiversity summit in Montreal is seen as the last chance to save nature.
The plans have been divided over how to finance them.
Some of the world's most outstanding flora and fauna can be found in parts of the globe that don't have easy access to clean water.
The term "biodiversity" refers to all the living things on the planet and how they are connected.
The president of the summit, China, released a new text on Sunday. Due to restrictions in China, it had to be moved to Canada.
The ministers are expected to discuss the proposals in private. The environmental groups said they were nervous.
"We cannot afford a roll back on ambition; addressing the biodiversity crisis cannot wait; nature will not wait," said Dr Amy McDougall of Birdlife International.
Ensuring the rights of indigenous peoples are protected is one of the topics addressed in the document.
If governments implement it, nature will be better off by the year 2030.
There has been criticism over a lack of focus on oceans in the agreement being negotiated with questions over how much of the world's oceans are included in a target to protect 30% of the planet by 2030. Some people are concerned about the strength of targets for reducing extinctions.
The head of the government's advising body for nature in England said that the new plans were too weak.
The need to agree on clear goals to put nature on a path to recovery was the subject of speeches by ministers on Saturday.
Our ship is nature. Virginijus Sinkevicius is the EU Commissioner for environment, oceans and fisheries.
Decision time approaches at #COP15.We need to agree on clear goals:🟢 Restoring 6 billion ha of land & marine ecosystems🟢 The 30 x 30 target to protect biodiversity🟢 25% reduction of our ecological footprint by 2030Nature is our ship.
We must ensure it stays afloat. pic.twitter.com/T1PZvyNgX4
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