diff --git a/src/vs/workbench/api/common/extHostExtensionService.ts b/src/vs/workbench/api/common/extHostExtensionService.ts
index 0c35ea254f30b..34e70b79107e8 100644
--- a/src/vs/workbench/api/common/extHostExtensionService.ts
+++ b/src/vs/workbench/api/common/extHostExtensionService.ts
@@ -532,6 +532,7 @@ export abstract class AbstractExtHostExtensionService extends Disposable impleme
 					return that.extensionRuntime;
 				},
 				get environmentVariableCollection() { return that._extHostTerminalService.getEnvironmentVariableCollection(extensionDescription); },
+				getEnvironmentVariableCollection(scope?: vscode.EnvironmentVariableScope) { return that._extHostTerminalService.getEnvironmentVariableCollection(extensionDescription, scope); },
 				get messagePassingProtocol() {
 					if (!messagePassingProtocol) {
 						if (!messagePort) {
diff --git a/src/vs/workbench/api/common/extHostTerminalService.ts b/src/vs/workbench/api/common/extHostTerminalService.ts
index 6566fff19de3e..1f95913ee4293 100644
--- a/src/vs/workbench/api/common/extHostTerminalService.ts
+++ b/src/vs/workbench/api/common/extHostTerminalService.ts
@@ -51,9 +51,8 @@ export interface IExtHostTerminalService extends ExtHostTerminalServiceShape, ID
 	registerLinkProvider(provider: vscode.TerminalLinkProvider): vscode.Disposable;
 	registerProfileProvider(extension: IExtensionDescription, id: string, provider: vscode.TerminalProfileProvider): vscode.Disposable;
 	registerTerminalQuickFixProvider(id: string, extensionId: string, provider: vscode.TerminalQuickFixProvider): vscode.Disposable;
-	getEnvironmentVariableCollection(extension: IExtensionDescription): IEnvironmentVariableCollection;
+	getEnvironmentVariableCollection(extension: IExtensionDescription, scope?: vscode.EnvironmentVariableScope): vscode.EnvironmentVariableCollection;
 }
-type IEnvironmentVariableCollection = vscode.EnvironmentVariableCollection & { getScopedEnvironmentVariableCollection(scope: vscode.EnvironmentVariableScope | undefined): vscode.EnvironmentVariableCollection };
 export interface ITerminalInternalOptions {
 	isFeatureTerminal?: boolean;
 	useShellEnvironment?: boolean;
@@ -833,13 +832,13 @@ export abstract class BaseExtHostTerminalService extends Disposable implements I
 		return index;
 	}
 
-	public getEnvironmentVariableCollection(extension: IExtensionDescription): IEnvironmentVariableCollection {
+	public getEnvironmentVariableCollection(extension: IExtensionDescription, scope?: vscode.EnvironmentVariableScope): vscode.EnvironmentVariableCollection {
 		let collection = this._environmentVariableCollections.get(extension.identifier.value);
 		if (!collection) {
 			collection = new UnifiedEnvironmentVariableCollection(extension);
 			this._setEnvironmentVariableCollection(extension.identifier.value, collection);
 		}
-		return collection.getScopedEnvironmentVariableCollection(undefined);
+		return collection.getScopedEnvironmentVariableCollection(scope);
 	}
 
 	private _syncEnvironmentVariableCollection(extensionIdentifier: string, collection: UnifiedEnvironmentVariableCollection): void {
@@ -906,7 +905,7 @@ class UnifiedEnvironmentVariableCollection {
 		this.map = new Map(serialized);
 	}
 
-	getScopedEnvironmentVariableCollection(scope: vscode.EnvironmentVariableScope | undefined): IEnvironmentVariableCollection {
+	getScopedEnvironmentVariableCollection(scope: vscode.EnvironmentVariableScope | undefined): vscode.EnvironmentVariableCollection {
 		if (this._extension && scope) {
 			// TODO: This should be removed when the env var extension API(s) are stabilized
 			checkProposedApiEnabled(this._extension, 'envCollectionWorkspace');
@@ -1049,7 +1048,7 @@ class UnifiedEnvironmentVariableCollection {
 	}
 }
 
-class ScopedEnvironmentVariableCollection implements vscode.EnvironmentVariableCollection, IEnvironmentVariableCollection {
+class ScopedEnvironmentVariableCollection implements vscode.EnvironmentVariableCollection {
 	public get persistent(): boolean { return this.collection.persistent; }
 	public set persistent(value: boolean) {
 		this.collection.persistent = value;
diff --git a/src/vscode-dts/vscode.proposed.envCollectionWorkspace.d.ts b/src/vscode-dts/vscode.proposed.envCollectionWorkspace.d.ts
index fff4ed4a337b7..73bd11df4e250 100644
--- a/src/vscode-dts/vscode.proposed.envCollectionWorkspace.d.ts
+++ b/src/vscode-dts/vscode.proposed.envCollectionWorkspace.d.ts
@@ -7,15 +7,22 @@ declare module 'vscode' {
 
 	// https://github.com/microsoft/vscode/issues/171173
 
-	// export interface ExtensionContext {
-	// 	/**
-	// 	 * Gets the extension's environment variable collection for this workspace, enabling changes
-	// 	 * to be applied to terminal environment variables.
-	// 	 *
-	// 	 * @param scope The scope to which the environment variable collection applies to.
-	// 	 */
-	// 	readonly environmentVariableCollection: EnvironmentVariableCollection & { getScopedEnvironmentVariableCollection(scope: EnvironmentVariableScope): EnvironmentVariableCollection };
-	// }
+	export interface ExtensionContext {
+		/**
+		 * Gets the extension's environment variable collection for this workspace, enabling changes
+		 * to be applied to terminal environment variables.
+		 *
+		 * @deprecated Use {@link getEnvironmentVariableCollection} instead.
+		 */
+		readonly environmentVariableCollection: EnvironmentVariableCollection;
+		/**
+		 * Gets the extension's environment variable collection for this scope, enabling changes
+		 * to be applied to terminal environment variables.
+		 *
+		 * @param scope The scope to which the environment variable collection applies to.
+		 */
+		getEnvironmentVariableCollection(scope?: EnvironmentVariableScope): EnvironmentVariableCollection;
+	}
 
 	export type EnvironmentVariableScope = {
 		/**